Although helpful in specific circumstances, it should not be viewed as a replacement for adequate water and sanitation.

尽管它在某些特定情况下是有帮助的，但并不能替代足量水和好的卫生条件。

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While this is an adequate beginning it is hardly an excellent thesis, for it must be made both more specific and more general.

虽然这是一个恰当的开头，但并非一个出色的论断，因为要更具特殊性和全面性。

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