VOA慢速英语:新冠病毒危机改变了自动驾驶汽车的世界

deliver – v. to take (something) to a person or place

retailer – n. a person or business that sells things directly to customers for their own use

sidewalk – n. a usually concrete path along the side of a street for people to walk on

adoption – n. the act or process of beginning to use something new or different

take advantage of – phr. to use (something, such as an opportunity) in a way that helps you : to make good use of (something)

package – n. a box or large envelope that is sent or delivered usually through the mail or by another delivery service