The problem here is that you lose the ability to include only certain parts of the framework, and you also make maintenance more difficult.

这种方法的问题在于你失去了只加载部分框架内容的能力，并增加了维护的难度。

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But it was not always practical. To add shadows to text, you had to use images, which increased loading time and made maintenance more difficult.

但其实并不总是那么好搞的，要给文本添加阴影，你得使用的图片，从而增加加载时间，并且维护更加困难。

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To do otherwise tightens coupling between these structures and makes long term maintenance of the application generally more difficult.

而其他方式则会增加这些结构间的耦合，并且使得应用程序的长期维护变得更困难。

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They also must take into account that moving electrical lines underground makes routine maintenance of the system more difficult, and thus more expensive.

WSJ: Should Utilities Be Required to Bury Power Lines to Protect Them?

The electric third rail makes it more difficult to do maintenance safely. 1000V DC current will literally burn a person to a black crisp.

FORBES: Why Does BART Need To Do Nightly Maintenance?