That's one reason my love is not always happy, because just loving the other person is no guarantee that both of you can be fully satisfied with what happens to each of you.

这是爱情并非总是幸福的原因之一，仅仅是爱一个人并不能保证，你们两个都对彼此对自己的做法，完全满意。

youdao

I have nothing but happy memories, because, as you know, it just happened out of the blue.

我有的都是快乐的记忆，因为，你知道，一切都发生得很突然。

youdao

You must decide just how much activity are you up for, because some dogs need a lot of exercise in order to stay healthy and happy.

你必须决定到底有多少活动是你的，因为有些狗需要很多的锻炼以保持健康和快乐。

youdao

So the next time all you marketers out there break into a happy dance because 100 people shared your ad you may want to temper your enthusiasm just a tad as it is not indicative of a consumer who is necessarily engaged with your brand per se.

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