词汇网络: 参考書

The act of studying or acquiring knowledge through effort and persistence. While primarily used for academic learning, it also refers to gaining experience or, in specific business contexts, providing a discount.

A formal examination or test used to evaluate a person's knowledge, skill, or ability in a specific subject. It is commonly used in schools, universities, and professional settings to determine progress or qualification.

Textbook.

Bookstore; a shop where books are sold.