Finance · 07/18/2025

American options are contracts that can be exercised at any time before expiration, with their pricing involving intrinsic value and time value. This paper defines out-of-the-money, in-the-money, and at-the-money options, and explores how time value and Greek letters (such as Theta, Vega, Delta, etc.) affect option prices, along with various factors like market volatility and time to expiration that impact pricing.

Education · 07/18/2025

U.S. parenting laws outline parental responsibilities to protect children from abuse, emphasizing cultural adaptation and external support.

Culture · 07/18/2025

This article delves into the fundamental values of America, including independence, self-sufficiency, equality, individualism, privacy, democracy, nationalism, work ethic, meritocracy, directness, innovation, consumerism, informality, and time efficiency. By understanding these values, newcomers can adapt more effectively to American culture. The article also offers tips for adjusting to a new environment, assisting immigrants in integrating into society and building interpersonal relationships.

Culture · 07/17/2025

This article explores the diverse culture and social atmosphere of American bars, highlighting various themed bars, payment methods, and consumption characteristics. American bars are not only places to drink but also great spots for socializing. The importance of tipping servers moderately is emphasized, as a way to respect and support their work. Regardless of the type of bar chosen, quality service and a friendly atmosphere will make your experience more memorable.

Transportation · 07/17/2025

The transportation system in the United States is known for its diversity and extensive coverage. Public transit services in major cities, such as New York's subway, offer high-capacity options. However, overall public transportation is relatively weak, with a widespread reliance on private vehicles. Developed road and airport networks enhance long-distance travel efficiency, while buses and tour shuttles facilitate short trips. The overall transportation services aim to meet the needs of

Culture · 07/18/2025

This article explores the core values of American culture and provides practical advice for adapting to a new culture, helping newcomers integrate into American society.

Job Search · 08/07/2025

This article discusses how to become a successful IT project manager, detailing responsibilities, required skills, and educational qualifications. It is aimed at individuals passionate about computer technology who excel in communication and problem-solving. By obtaining relevant degrees and certifications and gaining practical experience, they can embark on a career path in IT project management.

Culture · 08/07/2025

The Dragon Boat Festival and Annual Summit held by CSOFT International in Boston strengthened communication with experts in the life sciences field. Through competitions and activities, the team not only enhanced their collaboration skills but also engaged in in-depth discussions about the future development of the pharmaceutical industry in China and the United States.

Education · 07/21/2025

This article explores the main differences between community colleges and traditional universities in American higher education. Community colleges offer low-cost, two-year practical skills education, while traditional universities provide undergraduate degrees and a wider range of major options along with campus life. Students should make informed decisions based on their individual needs and goals when choosing between these educational paths.

Education · 07/23/2025

The American education system is divided into four main stages: preschool, elementary, middle, and high school. Preschool education is optional and can be provided through daycare or kindergarten. Elementary school focuses on basic skills, while middle and high schools introduce a variety of courses and prepare students for college. Upon enrollment, new students typically undergo testing to determine their grade level.

Education · 07/28/2025

This article discusses effective methods for learning English, specifically tailored for new immigrants. It provides a wealth of resources and advice, including free online courses, learning apps, and practical practice tips. The article emphasizes the importance of English for integrating into American life and offers information about the TOEFL test to help readers enhance their English skills to meet work or study requirements.

Culture · 07/21/2025

The multicultural background of the United States enriches its society with diverse traditions and customs. Direct communication and the emphasis on eye contact are vital components of American culture. Additionally, respecting others' religious beliefs forms an important foundation for social harmony. Understanding and accepting these cultural differences help individuals better integrate into society and foster harmonious interpersonal relationships.

Telecom · 08/06/2025

AT&T Inc. is a global leader in telecommunications, media, and technology services, offering a wide range of communication services and solutions, from wireless internet to cloud computing, aimed at meeting the diverse needs of individuals and businesses. Its expansion in the Latin American market and strategy for brand diversification have further supported its maintenance of industry leadership.

Education · 07/25/2025

This article presents various free online resources to help immigrants learn English and improve their speaking and writing skills. Platforms like USAHello offer a wealth of courses and practice opportunities, while also sharing tips on preparing for the TOEFL exam to enhance workplace competitiveness. This serves as a gateway for new immigrants to open avenues for communication and development.

Education · 08/07/2025

Merrywood-Palm Valley School is a private institution located in California, offering education from Kindergarten to 12th grade. The school focuses on developing students' academic skills, character, and communication abilities. It emphasizes holistic development, promoting creative thinking and a healthy lifestyle. The tuition fee is approximately $22,449, making it a suitable choice for families seeking an excellent education.