He held that animal doesn't stop to do his own things without sake; it doesn't waste efforts to think what to do.

他认为，动物没有理由，是不会无缘无故停下来想自己的事；也不会费心去想自己要作什么事。

youdao

Our efforts were not in vain.; we didn't waste our energy.

我们的力气没有白费。

《新英汉大辞典》

In addition to this, businesses will now be rewarded for successful efforts to cut food waste.

除此之外，成功减少食物浪费的企业还将获得奖励。

youdao

Hershkowitz says,ideally, the Gulf cleanup's oily trash should be disposed of in an energy-producing furnace, but there are currently no facilities large enough to handle the volume of waste being generated by the cleanup efforts.

VOA: standard.2010.08.05

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And if you are that good at timing, why waste your efforts on gold?

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Coca-Cola, meanwhile, is on board with the Olympic waste reduction efforts.

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