A:How much does it cost?

甲:这个多少钱？

B:680 yuan.

乙:680元。

A:That's too expensive!

甲:太贵了！

经典句型:How much shall I pay for it? 我要交多少钱？

A:How much shall I pay for it?

甲:我要交多少钱？

B:It's 20% off. Then it's 750 yuan。

乙:打八折。要付750元。

A:Oh, it's still more than I can afford甲:哦，这个价我还是买不起。

B:That's the best we can do.

乙:这是最低价了。

句型讲解：

afford是“付得起时间或钱做…”的意思，后面接名词或不定式，通常和情态动词can,could, be able to连用，多用于不定句和疑问句中。如:I cannot afford a computer.我买不起计算机。How could you afford Igo much money for a digital camera?你怎么付得起这么多钱买一部数码相机呢？