They have risks that their overhead won't cover their risk is that a steady stream of people won't come and be making a steady stream of bets at which each of them has a slightly negative expectation.

他们的风险是能否支付管理费用,他们的风险是不再有稳定的客流来消费,同时每一个人都怀着一丝消极的期待,下源源不断的赌注。

耶鲁公开课 - 金融市场课程节选

But don't use overhead as the litmus test for giving.

FORBES: Magazine Article

On a recent trip, passengers scooted sideways down a 16-inch aisle, some slumped over so their shoulders didn't hit the small overhead bins and their heads didn't scrape the ceiling.

WSJ: Regional Jets: Are These Model Airplanes?

Often the successful ones were small and lean: They didn't have corporate overhead to cover.

FORBES: Magazine Article