VOA慢速英语:亚马逊第一家无人便利店开业

checkout – n. a place in a store where people pay for goods or services

virtual shopping cart – n. computer software that lists all of the products to be bought

automatically – adj. largely done by a machine

artificial intelligence – n. the ability of computers to copy human behavior, such as making decisions or offering suggestions

credit card – n. a small plastic card that is used to make purchases

online – adj. connected to a computer or telecommunications system

weird – adj. very strange

amazing – adj. very surprising, great

autonomous – adj. taking part in an activity separately from other things

inventory – n. a supply of goods stored in one place