Another way to say that it's going to be less, so you don't get confused with that the fact this is in the numerator here, there is that negative sign so it's less energy but it's a bigger negative number that gives us that less energy there.

另一个方式去说它将会变得很低实用，你们不用在这里的计算器的事实感到迷惑,这里有一个负号实用，它是更少的能量,但它是一个更大的数字,这里了它给了我们更少的能量。

麻省理工公开课 - 化学原理课程节选

And so it’s not quite as useful as Facebook which is great for social reasons.

对于拓展社交圈的话，它不会比Facebook更实用。

便利的社交媒体 - SpeakingMax英语口语达人

It's actually a much cheaper example than handing out hard drives.

比起硬盘拿软盘做例子,可能更实用一些。

哈佛公开课 - 计算机科学课程节选