cost的过去式过去分词现在分词词义

例句：

It cost him five hundred quid.

它花费了他500英磅。

Success has cost him dearly.

他为成功付出了高昂的代价。

The cost ran into the thousands.

成本达到千位数。

Here is a detailed costing of our proposals.

这是我们的`方案的详细成本计算。

It was costing us more than it was worth.

它让我们付出的代价超过了它的价值。