I know, but I can't afford to buy it!

我知道，但我买不起！

I can't afford to buy designer clothes.

我买不起设计师品牌的衣服。

We can finally afford to buy a new car.

我们终于负担得起买一辆新车了。

I can afford to buy a new car this year.

我今年能负担得起买一辆新车。

He is broke and can't afford to buy lunch.

他没钱，买不起午餐。

They cannot afford to buy a house in the city center.

他们买不起在市中心买房子。

If you can afford to buy prestige, that's your choice.

如果你买得起威望，那是你的选择。

I can't afford to buy a house.

我买不起房子。

I can't afford to buy it so I'll look for a part-time job.

我买不起，所以我会找一份兼职。

You could always hire a dress for the ball if you can't afford to buy one.

如果你买不起的话，你可以租一件衣服去参加舞会。