when it comes to these rules
说到这些规则
以上为机器翻译结果，长、整句建议使用 人工翻译 。
However, many of these same young people seem to be unaware of some basic rules when it comes to sending email at work.
然而，许多这些相同的年轻人看来，不了解一些于工作中寄送电子邮件的基本规则。
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