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https://online2.tingclass.net/lesson/shi0529/0009/9884/84.mp3

https://image.tingclass.net/statics/js/2012

a waste of time 浪费时间

a waste of money 浪费金钱

例句：

I think watching TV every evening is a waste of time.

我认为每天晚上看电视是浪费时间。

Don't you think it's a waste of effort to argue about that small thing?

难道你不认为为了那件小事争吵是浪费力气吗?

末尾音乐：

same girl