机会

chance; opportunity
错过～lose (or miss) a chance(or an opportunity)/抓住～seize an opportunity/千载难逢的好～a golden opportunity;the chance of a lifetime/高兴有～访问贵国 pleased to have the opportunity of visiting your country/借此～take (or avail oneself of) this opportunity to do sth/～的不均等opportunity gap/～成本opportunity cost/～成本值opportunity cost value/～均等原则principle of equal opportunity