Every time a product shows up it's bought and paid for, for the most part.

产品的每次出现都需要支付费用,在大多数情况下都是这样

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But you don't have to pay upfront.

但是你可以不用立即支付费用。

英国的教育 - SpeakingMax英语口语达人

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。

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