voluntary service association
常見(jiàn)例句
- The International Air Transport Association (IATA) is a voluntary association of international airlines that sets routes, fares and other standards of service.
國(guó)際航空運(yùn)輸協(xié)會(huì)（IATA）是國(guó)際航空公司自發(fā)組織的協(xié)會(huì)，負(fù)責(zé)設(shè)定線路，制定票價(jià)，和其它服務(wù)標(biāo)準(zhǔn)。
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