If you must use such a file system, employing multiple volumes is a practical necessity.
如果必须使用这样的文件系统，可能有必要使用多个卷。
Therefore, exactitude analysis reason, practical take into prevention and cure very necessity, very urgent.
因此，正确分析原因、切实加以防治十分必要，十分迫切。
To the theory study, we have a principle of Necessity and Enough for Practical Use.
对于理论学习，我们以够用为原则。
To the theory study, we have a principle of Necessity and Enough for Practical Use.
对于理论学习，我们以够用为原则。
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