VOA慢速英语:美国的老龄化意味着劳动力的减少

resident – n. someone who lives in a city, town or area for a period of time

adjust – v. to change something in a minor way so it works better

beyond – adv. on the father side; in addition

workforce – n. the group of people who work for an organization or business

artificial intelligence – n. an area of computer science that deals with giving machines the ability to seem like they have human intelligence

mature – adj. having or showing the mental and emotional qualities of an adult