after sight (adv) written on a bill of exchange to show that the bill should be paid within a specified time after the payer is presented within it见票后付款

[例]  The bill should be paid at 60 days after sight.

against all risks (adv.) (of a marine insurance policy) providing insurance for all types of loss or damage全保险.

[例]  We insuranced the cargo against all risks.

agenda (n.) order of topics to be discussed at a meeting会议议程

[例]  The first topic on the agenda is salaries.

agent (n.) person who represents a company代理（商）

[例]  Our company’s agent in Middle East has developed a widespread and mature business there.

[同义词]  representative, deputy

agiotage (n.) the business of buying and then later selling foreign currencies 套汇

[例]  That guy makes a big fortune by agiotage.

[同义词]  arbitrage