While many parents are putting money aside for college tuition, some are taking on another big expense: buying cars for their teenagers.

许多父母在将钱留作大学学费时，然而有些则在进行另一项巨大开支：为他们十几岁的孩子们买车。

《柯林斯英汉双解大词典》

Why go to the expense of buying an electric saw when you can borrow one?

你能借到电锯，却为何去花钱买呢？

《柯林斯英汉双解大词典》

They may want to know that the product they're buying hasn't been made at the expense of the people who are producing it, whether it's in this country or abroad.

他们可能想知道他们购买的产品是否以生产人员的利益为代价，不管是本国的还是国外的。

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In addition to the expense of buying the commercial time, Thomas Harpointner says there are additional costs that many forget.

VOA: standard.2010.01.27

Few folks can afford the absurd expense of buying insurance out-of-pocket, and countless would-be entrepreneurs stay at unfulfilling jobs for this reason and this reason alone.

FORBES: How Our Health Insurance System Is Silently Suffocating Startups

The result is a hard look at other alternatives for funding of what is most families' largest single expense beyond buying a residence and planning for retirement.

FORBES: Bloom's Off The 529 Rose

But airport costs like terminal rents and landing fees and even the expense of buying or leasing jets, pale in comparison to the two biggest expenses at airlines: labor and fuel.

WSJ: Decoding Airline Ticket Costs