VOA慢速英语:中国游客为欧洲城市带来新生

tourist –n. someone who travels for pleasure rather than business

exert –v. to use strength, to cause something to happen

consequences –n. the results of an action

potential –n. the chance that something will happen or exist in the future

contribute –v. to give, to cause something to happen

strain – v. to cause problems or stress from too much use

infrastructure –n. the structures and equipment that nations or areas need to operate such as roads, airports, railways and power centers