我一直认为这种气体范围为更有效率比电动，但他们没有！

I always thought that gas ranges were more efficient than electric, but they're not!

youdao

在英国，亨利·科尔爵士承认的优势，为更有效率的邮件服务的实践，并引发送圣诞贺卡给朋友。

In England, Sir Henry Cole recognized the advantage of a more efficient mail service and initiated the practice of sending Christmas greeting CARDS to friends.

youdao

该系统产生的电流为直流电，所以用来驱动本地的直流点装置比将其转化为交流电输入电网来的更有效率。

The system generates a direct current, so using it to power DC devices locally is more efficient than switching to the alternating current needed to feed it back to the grid.

youdao

And that does two things: bug one, it helps catch bugs in your code, and secondly it often converts it into a more efficient sequence of instructions before you actually go off and run it. All right?

这有两点好处：,第一是可以帮助你发现程序中的，第二是把你的代码,在运行之前,转换为更有效率的指令的集合，对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选