waste food / energy / opportunities

浪费食物/能源/机会

Experts believe that people can waste less food by shopping only when it is necessary.

专家们认为，只在需要时购买可以减少食物的浪费。

She’s wasted in her present job.

她做现在的工作真是屈才。

It is a waste of time to wait any longer

再等下去是白费时间。

I hate to see good food go to waste (= be thrown away).

我不愿看到好好的食物被浪费掉。

poisonous wastes

有毒废弃物

They’re working hard to turn waste into useful materials.

他们正努力把废物转化为有用的材料。

waste water / paper

废水/纸