It's wasteful to throw away glass,paper and metal.

扔掉玻璃，纸张和金属是浪费行为。

I never throw anything away.

我从来不扔东西。

A:It's already 10 o'clock.why are you still playing computer games?

已经十点了，为什么你还在玩电脑游戏。

B:Come on,I have been playing it for less than 1 hour.

别这样，我才玩了不到一个小时。

Aon't throw away the best years of your life.

不要浪费你生命中最美好的时光。

B:Fine.

好吧。