VOA慢速英语:新冠疫情让拉丁美洲穷人引入银行系统

expense – n. the cost of something

fee – n. a specific cost tied to an action

bank account – n. a service from a financial institution

app – n. an application used on a smart phone or tablet

bother – v. to take an interest in

tend - v. to usually do or make an effort

gross domestic product - n. the full amount of productivity of a nation