买一辆更大的车被证明非常值得这笔花费。

Buying a bigger car has proved to be well worth the ___expense.

我们刚花了一大笔钱建了一个新车库。

We've just had a new garage built at great ___expense.

你必须支付自己的医疗费用。

You have to pay your own medical ___expenses.