书籍 Top Notch 1B - 第 10 单元 - 第 4 课

having a quality that is satisfying

好的, 优秀的

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

协议, 交易

to keep money to spend later

储蓄, 保存

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

钱, 货币

an item bought at a much lower price than usual

便宜货, 特价商品

to give someone money in exchange for goods or services

支付, 付钱

something that costs a lot more than its real value

敲竹杠, 欺诈