All files are stored in your Amazon S3 account, and after paying the flat fee of $2 to 4 a month, you pay only for the amount of space you use.

所有的文件都将存储在你的亚马逊S3账户里。 而且在支付每月2-4$的基本费后，你只需按使空间使用量来支付费用。

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The current set of five are rack mounted in a co-location data centre, where I pay a monthly fee for space, electricity and bandwidth.

现在使用的一套五台设备是一起安装在架子上并放置在一个托管的数据中心里，每个月我都得付给这个中心占地费、电费、带宽费。

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Extra leg room, travel insurance, space in the hold for a suitcase: all of these are available to the airline passenger seeking to mitigate the anxieties of travel, for an extra fee in most cases.

额外的伸腿空间，旅行保险，箱包寄放处：对于试图缓解旅行焦虑的航空飞行旅行者而言，这些都是可行的并且大都通过附加费表现出来。

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