冻鱼是一种非常健康的方便食品。

Frozen fish is a very healthy convenience food.

《柯林斯英汉双解大词典》

用信用卡付款非常方便。

It is very convenient to pay by credit card.

《牛津词典》

乘地铁去纽约市中心非常方便。

It's very convenient to travel to the center of New York by subway.

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So that's a big help. And equilibrium happens when there isn't any possible change of state that would satisfy this.

这个非常方便，当所有的变化,都无法满足这个公式的时候,系统就达到了平衡。

麻省理工公开课 - 热力学与动力学课程节选

So it's convenient if you wanna check and see when the next bus is coming.

用手机可以查下一趟车什么时候来，非常方便。

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If I'm working under conditions of constant temperature and volume, that's very useful.

如果在恒定的温度和体积下,进行一个过程，这是非常方便的。

麻省理工公开课 - 热力学与动力学课程节选