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The second form is preferable because it tests explicitly for the range of values you consider to be valid.
第二种形式比较好,因为它显式地检测了您认为有效的值的范围。
youdao
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The second form is preferable because it tests explicitly for the range of values you consider to be valid.
第二种形式比较好,因为它显式地检测了您认为有效的值的范围。
youdao