VOA慢速英语:奥林匹克委员会承诺改变城市与国家的选择方式

host – n. A place or organization that plays host to an event (such as a meeting or convention) provides the things that are needed for that event.

negative – adj. thinking about the bad qualities of someone or something :

stadium – n. a very large usually roofless building that has a large open area surrounded by many rows of seats and that is used for sports event

venue – n. the place where an event takes place

encourage – v. to make (something) more appealing or more likely to happen

panel – n. a group of people with special knowledge, skill, or experience who give advice or make decisions