All the old carpets need replacing.
所有的旧地毯都需要更换。
If your site has slow loading pages, they need replacing.
如果您的网站下载速度慢的网页，它们需要更换。
When you own a home, something is bound to break or need replacing.
当你拥有一个家时，里面的东西，迟早会打破或需要更换。
That process can repeat over and over, so the cells rarely need replacing.
这个过程可以不断的重复，所以电池几乎不需要更换。
Replacing one delegate is nice, but we need much more to make queries flexible.
更换一位代表是好的，但我们必须更加灵活，以使查询。
Replacing one delegate is nice, but we need much more to make queries flexible.
更换一位代表是好的，但我们必须更加灵活，以使查询。
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