I learned their lessons well, and after I grew up, I tried to never waste food myself.

我很好地汲取了她们的经验教训，长大后，我努力做到不浪费食物。

youdao

The stoves can use waste material such as coconut shells as well as wood.

这种炉灶既能利用诸如椰子壳这样的废弃材料，也能利用木柴。

youdao

If the city begins a waste management system that works well, the food for stray dogs will be limited.

如果城市的垃圾处理系统运行很好，流浪狗的食物将会受限。

youdao

When rain and melting snows flow over a city's streets, parking lots and sidewalks, that runoff picks up all kinds of pollutants residues of petroleum and pesticides, soaps and solvents, as well as pet and wildlife waste.

VOA: standard.2010.08.04

I think it's terribly important to keep the distinction in the back of our minds even if we find it, in practical terms, well nigh impossible and possibly even in many contexts a waste of time to be perpetually enforcing it.

你们一定要牢记这个区别,这实在是太重要了，尽管有时我们发现在一些的文本中这种区别很微小,看上去不值得花时间去研究或使用。

耶鲁公开课 - 文学理论导论课程节选

Cheap petrol also encourages enormous waste as well as smuggling to neighbouring countries where it is more expensive.

ECONOMIST: Oil-rich Iran may have to ration petrol

Since every dollar spent on vaccinations slices ten dollars off future medical bills, this state of affairs is a financial waste as well as a cause of needless suffering.

ECONOMIST: Your money or your life

What if we could build a nuclear reactor that offered no possibility of a meltdown, generated its power inexpensively, created no weapons-grade by-products, and burnt up existing high-level waste as well as old nuclear weapon stockpiles?

FORBES: Is Thorium the Biggest Energy Breakthrough Since Fire? Possibly.