If saving energy is so easy and profitable, why isn't everyone doing it?

如果节约能源是如此容易和有利可图，为什么不是每个人都这样做呢？

youdao

If you're saving up for a new outfit you've had your eye on, cheap dinners for a month might let you buy it.

如果你想省钱买一套你看中的新套装，吃一个月的廉价晚餐也许会让你买得起。

《柯林斯英汉双解大词典》

If you run it again, only the changed files are copied over, saving you time later on synchronizations.

如果再次运行该命令，只有更改后的文件被复制，为您节省了稍后的同步时间。

youdao

This helps us to explain, for instance, why in so many cultures the concept of saving face is so important, even if to most modern Americans it seems relatively trivial.

这就很容易解释，为什么很多文化里的面子问题,会变得那么重要，而对许多美国人来说,那都是小事一桩。

耶鲁公开课 - 政治哲学导论课程节选

It's a life-saving procedure and if it wasn't performed then the outcome may well be death.

BBC

All we can say: It's not dead if it's still saving lives.

FORBES: Magazine Article

But not if it causes you to start saving for your newborn's college tuition at the expense of your own retirement.

FORBES: Nine Financial Tips For New Parents