pay against

pay against pay against for delivery against against They believe that forcing students to work without pay goes against the law.翻译 pay pay pay pay pay We'll pay by T/T within 14 work days against the shipping document.请问Against 是不是凭.的意思?还有这句的翻译 502.15-20 days prior to the date of delivery,you should pay against the presentation of the draft drawn on the opening bank.presentation draft drawn 英语翻译From an early age,young people take out loans to pay their way through college and borrowing against equity in real estate is now at record levels. 这句话中的it和one啥意思?Although the fight against it is long-standing and tremendous one,our efforts will eventually pay off. pay up pay against the play against take against