说“在工作日里”是in work days 还是on work days 呢？
工作日 weekday / work day / working day
in / during / on weekdays 均可
e代大师答：
Welcome to e代风流 网际游侠's super-cool blog:
动感部落
during working days/work days
on a work/working day
in/during office days.
用in似乎是对的，还可以用within。On可不可以，恕我才疏学浅，我不知道。此外，工作日拟用working day。
In 14 working days, we could have done a lot of things.
参考文献来自： - 32k
on work days
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