presume

【1】猜想，认为

①接用从句。

【例】We presume (that) you might be interested to handle our diesel engines.

我们认为你方可能对经营我方柴油机有兴趣。

②宾语后面接用（to be +）adj（或形容词性短语）作补语。

【例】We presume your story (to be) true.

我们猜想你所讲的是实情。

【2】足以推定，意味着

【例】A signed invoice presumes receipt of the shipment.

经过签收的发票可表明运去的货物已收到。

pretty

相当，十分

【例】The bank’s reserves are getting pretty low.

银行的储备金正日渐减少。

prevail

【1】流行，实行

【例】Please be informed that as from August 1, 2001, our new adjusted prices for chairs will prevail.

现通知贵方，自2001年8月1日起我方椅子开始实行调整后的价格。

【2】prevail on [upon]

说服

接用宾语，再加不定式。句式：prevail on [upon] sb to do sth。

【例】We are trying to prevail on the manufacturers to accept your specifications.

我们正在想方设法要说服工厂接受你方的规格。

【3】prevail over

胜过

【例】The quality of your products surely prevails over theirs.

你方产品的质量确实超过了他们产品的质量。