顶级1B - 第 10 单元 - 第 4 课

having a quality that is satisfying

好的

having a quality that is not satisfying

坏的

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

协议

to keep money to spend later

储蓄

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

钱

an item bought at a much lower price than usual

便宜货

to give someone money in exchange for goods or services

支付

something that costs a lot more than its real value

敲竹杠