书籍 Top Notch 1B - 第 10 单元 - 第 4 课

having a quality that is satisfying

having a quality that is not satisfying

坏的,不令人满意的

an agreement between two or more parties, typically involving the exchange of goods, services, or property

to keep money to spend later

something that we use to buy and sell goods and services, can be in the form of coins or paper bills

an item bought at a much lower price than usual

to give someone money in exchange for goods or services

something that costs a lot more than its real value