在工作日的九小时上班时间中，它并不是每时每刻都在被使用，比如吃午饭，开会和其它事情。

During a nine-hour workday, it isn't always in use because of lunch, meetings and other things.

youdao

在工作日的九小时上班时间中，它并不是每时每刻都在被使用，比如吃午饭，开会和其它事情。

During a nine-hour workday, it isn't always in use because of lunch, meetings and other things.

youdao