cost的過(guò)去式過(guò)去分詞現(xiàn)在分詞詞義

　　例句：

　　It cost him five hundred quid.

　　它花費(fèi)了他500英磅。

　　Success has cost him dearly.

　　他為成功付出了高昂的代價(jià)。

　　The cost ran into the thousands.

　　成本達(dá)到千位數(shù)。

　　Here is a detailed costing of our proposals.

　　這是我們的方案的詳細(xì)成本計(jì)算。

　　It was costing us more than it was worth.

　　它讓我們付出的代價(jià)超過(guò)了它的價(jià)值。