When you're running a site and you're four people, are on the kitchen table, your operating expenses are relatively low.

当你运营一个网站，你们四人围坐在餐桌旁工作，由于运营费用较低。

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of the bill in restaurants or in taxis or in bars.

在其酒店费用、出租车费或者酒吧消费的基础之上。

一定要给小费 - SpeakingMax英语口语达人

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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It's totally synthetic, there's no micro-organism involved in making the DNA for you, You can do it very rapidly in a laboratory, and fairly inexpensively now.

完全是复制的过程,没有任何微生物参与制造DNA,你可以在实验室里迅速地进行,费用现在也相当便宜了

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in the night, there will always be an additional cost.

而且在晚上，一直会有一个额外的费用。

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