说“在工做日里”是in work days 仍是on work days 呢？

工做日 weekday / work day / working day

in / during / on weekdays 均可

e代巨匠答：

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during working days/work days

on a work/working day

in/during office days.

用in似乎是对的，还能够用within。On可不成以，恕我才疏学浅，我不晓得。此外，工做日拟用working day。

In 14 working days, we could have done a lot of things.

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on work days