慢速英语:奥运志愿者是机遇还是剥削？

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athlete – n. one who engages in sports

exploit – v. to take advantage of someone or something

derive – v. to take from

hospitality – n. to welcome someone into your home, country etc.

uniform – n. official clothing worn by workers or the military

amateur – adj. someone who is not a professional and does not get paid

revenue – n. money that is made by a business or organizat