C. an effective way to save time and energy.

一种省时省力的有效方法。

And making pizza involves less time and risk than attacking people.

而且做披萨比攻击人要省时省力。

Those parts are quicker, those parts are more effortless.

这些部分更快，更省力。

It claims to need less effort than a traditional masher.

据说更加省力。

It was quicker and it required less energy.

这样更快，也更省力。

As AI translation becomes an even more popular labour-saving tool, people will split into two groups.

随着人工智能翻译为一种更大众的省力工具，人们将分两类。

You call your thousand material devices " labor-saving machinery, " yet you are forever " busy."

你们把千上万的器具叫做“省力的机械”，但是你们永远那么“忙碌”。

Reducing Friction: The Law of Least Effort.

最省力法则。

More and more persons have the same discoveries since most universities do that in order to save energy.

许多大学都为了省力而这样做，有越来越多的人注意到这个问题了。

The other half saw it in 16-point Arial pure-black font, which tests have shown is one of the easiest to read.

另外半数读的则是16磅大小、Arial纯黑字体（这种字体测试表明，读起来最省力）。

Meaning that its vowel gets reduced to schwa, the least-effort vowel sound.

这意味着它的元音会被弱化为弱元音，即最省力的元音发音。

B. It saves time and effort in cooking.

B、做饭省时省力。

These are quantity production, standardization, and the use of labor-saving machinery.

这些是批量生产、标准化和使用省力机械。

It might be expending the least amount of energy, that's entirely possible.

最省力的结果或许是最佳选择，这完全是可能的。

Well, this machine would be the perfect labor-saving device.

好吧，这台机器将是完美的省力设。

There is no need to worry-you can pay for almost everything on your smartphone.

互联网通过电子商务一一也就是通常所说的电商一一提供应有尽有的商品和服务，给我们的生活带来 了令人难以置信的便利。通过外卖程序和网站，你可以让人送餐上门。为了买一双理想的靴子，一家店接 一家店去找的日子一去不复返了，你可以舒舒服服地待在家客厅里比较款式和价格，省时省力。为 什么要在寒冷的雨中绝望地等待出租车呢？如今，在出租车程序上预约一辆，既简单又快捷。在温暖的室 内惬意地坐上几分钟，只待司机到达。想要度假的话，你只要坐在电脑前，就能搞定所有的行程安排。忘 了带现金？不用担心，几乎所有的费用你都可以通过智能手机来支付。

So for example, email in many ways is a labor-saving device.

因此，例如，电子邮件在很多方面都是一种省力的设。

Cook Unity is easy and effortless.

Cook Unity 简单又省力。

The agricultural papers and agricultural fairs had not succeeded in popularizing these great laborsaving devices.

农业报纸和农业博览会并没有功地推广这些伟大的省力装置。

While pricey, they can also be a time- and cost-effective way to cover those must-see sights and experiences.

虽然价格不菲，但它们也可以是一种省时省力的方式，让你覆盖那些必看的景点和体验。