Tools should guide users through the physical makeup of the cloud based on the expected demand characteristics of the system.

工具必须基于期望的系统需求特征指导用户完成云的物理组成。

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Shopping online isn't just to buy clothes. You can buy expensive tools, makeup, computer spares and so on.

网上购物不仅仅只是买衣服啊，你可以买一些工具，化妆品，电脑配件等等。

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