So wasting food means wasting energy.

你瞧，浪费食物就等于浪费能源。

youdao

I wish people would stop wasting energy.

我希望人们不要再浪费能源。

youdao

Stop wasting energy on other people’s business.

别再在别人的事上浪费精力了。

youdao

You're always wasting energy into heat somewhere when you dochange that involves mechanical change.

当进行与机械运动有关的变化时,总会有能量变成热量而被浪费掉。

麻省理工公开课 - 热力学与动力学课程节选

So, I need to tell you how you're doing the expansion, because that's going to tell you how much energy you're wasting during that expansion.

所以我需要告诉你,膨胀是如何进行的，因为这会告诉你,在这次膨胀中,浪费了多少能量。

麻省理工公开课 - 热力学与动力学课程节选

Instead of your heating system wasting energy and your money through constant and unnecessary use, your heating can be regulated and used far more sparingly with insulated internal and external walls.

FORBES: How To Winterize And Heat Your Home For Less

The company also demonstrated a home energy-management system that would connect all appliances in the house, potentially over the internet, to show homeowners where they're wasting energy and how they could save money by being more efficient.

CNN: When refrigerators tweet and washing machines text

Some Democratic Congressmen from rural states are said to be refusing to agree to the bill unless it continues with the current subsidies for corn ethanol which are accused of pushing up the cost of food and wasting energy rather than saving it.

BBC: Climate chief's pledge on energy