What we need now is a saving clause in case of some unforeseen mischance, such as damage by rats, etc.

现在我们所需要的是一个附加条款，对诸如鼠害等意外事件作出规定。

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However, the exception to the saving clause of a particular tax treaty might allow a resident alien to claim a tax treaty benefit on certain specified income.

也有例外作为税务法的特殊储蓄目的居民仍可被允许申报某种收入。

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