VOA慢速英语:优步公司向卫生部门提供数据追踪新冠肺炎感染者的接触人员

promote - v. o make people aware of something, such as a new product, through advertising

contact tracing - n. the process of identification of persons who may have come into contact with an infected person

receipt - n. a paper or electronic note on which the things or services that you pay for are listed with the total amount paid and the prices

prompt - v. to cause someone to do something

data - n. facts or information used usually to calculate, analyze, or plan something

hotspot - n. and area of higher incidence of something, such as disease