protocol

议定书

【例】In the light of the principle of equality, mutual benefit and supplying each other’s needed goods, a trade protocol was signed between the two countries.

本着平等互利、互通有无的原则，两国签署了贸易议定书。

protracted

旷日持久的

【例】Their business negotiations are very much protracted.

他们的业务谈判时间拖得很长。

prove

证明是

①【例】If your ashtrays prove popular we may possibly place orders for our branches in France.

如你方烟灰缸受人欢迎，我们可能要代替我法国分公司提出订货。

②prove后可用或可不用to be。

【例】If the first shipment proves (to be) satisfactory, we guarantee that we shall send you many repeat orders.

如第一批船运的货物令人满意，我们保证将寄去更多重复的订单。