他们不会因闲谈或无效益的活动而浪费时间。

They do not (41) waste people's time with conversation or other activity that has no (42) visible beneficial outcome.

youdao

有人认为看电视是毫无效益，并且浪费智力。但，我觉得只因为他们看的，都是一些无聊的卡通片，或是荒谬的喜剧而已。

Some people say that television is mind-wasting and unproductive, but to me, this is only because they are watching silly cartoons or ridiculous comedians.

youdao