1、operation

（由大量人員參與、具有高度組織性的）活動，行動，工作

The rescue operation began on Friday afternoon.

救援行動于星期五下午開始。

The soldiers were engaged in a military operation close to the Ugandan border.

這些士兵參加了烏干達邊境附近的一次軍事行動。

企業；公司

Thorn's electronics operation employs around 5,000 people.

索恩的電子公司雇用了約5,000名員工。

The two parent groups now run their business as a single combined operation.

這兩個母公司現在合并為一家企業經營業務。

使用；運作

Until the rail links are in operation, passengers can only travel through the tunnel by coach.

在鐵路連線開通之前，乘客只能乘坐長途客車穿越隧道。

the free banking system that has been in operation since the early eighties.

從80年代初就開始實行的自由銀行制度

2、conceive

想象;相信

I just can't even conceive of that quantity of money.

那么多錢，我根本都無法想象。

He was immensely ambitious but unable to conceive of winning power for himself.

他雄心勃勃，但是想不出自己能如何贏得權力。

構思;設想;想出

She had conceived the idea of a series of novels.

她萌生出撰寫系列小說的想法。

He conceived of the first truly portable computer in 1968.

1968年，他構想出第一臺真正的便攜式計算機。