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This process requires a huge amount of manual labor; it is tedious, difficult, and very error prone.
这个过程需要大量的人力,并且是冗长、困难,且非常容易出错的。
youdao
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This process requires a huge amount of manual labor; it is tedious, difficult, and very error prone.
这个过程需要大量的人力,并且是冗长、困难,且非常容易出错的。
youdao