Such customization can include adding missing function mappings, altering the data type of a nickname column, and setting some performance-related options.

这些定制可包括添加缺失的函数映射、修改昵称列的数据类型以及设置某些与性能相关的选项。

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This adds the needed function without significantly altering the original code, possibly with lower cost and less risk.

这就要添加所需的功能，但并不对原始代码进行大幅度修改，成本和风险可能更低。

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Cosmetic surgery changes your appearance by altering parts of your body that function normally but don't look the way you want. Before you proceed with cosmetic surgery, consider.

整形手术通过改变你身体的某一部分达到改变外表的目的，通常这一部分具有正常的生理机能，只不过不是你想要的模样。在你想要实施整形手术之前，好好考虑以下几点。

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And it has a physical effect on brain function and transmission by altering chemical pathways, like those involving adenosine.

BBC: Coffee may prevent depression, scientists say