There aren't the costs that say a newspaper would have in paying for the journalists to create the content and then serve the advertising next to it.

没有比如像报社花钱请记者编写内容，然后投放广告之类的开销“。

youdao

Market prices serve well if there is no strong reason to believe they depart from social marginal costs.

如果没有充分理由认为市场价格偏离了社会边际成本，市场价格就是很好的尺度。

youdao

This could serve to reduce marginal costs of production.

这可以有助于减少边际生产成本。

youdao

After all, merchants have to run up costs to serve voucher-bearing customers while they wait to get paid.

WSJ: HEARD ON THE STREET: Groupon's Terms Not Endearing

Mr Lucas helps cut costs to serve the cordon bleu menus by looking at what ingredients are on offer at local markets.

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Several top Democrats, including Pelosi, have questioned whether it is possible to contain spiraling medical costs without creating a public option to serve as a check on private insurers.

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