如果一个人很有幽默感，我们推测，这意味着他很快乐，在社交方面很自信而且对生活有一个正确的看法。
If someone has a great sense of humor, we reason, it means that they are happy, socially confident and have a healthy perspective on life.
如果我们仅仅把钱当作我们生活当中很小的一部分，几乎不去想钱的问题，我们会变得很快乐。
We will be happiest if we can make money a small part of our lives, and think about money issues as little as possible.
我们在假期做的事情很快乐，但是专职玩不是好生活的关键。
The things we do on vacation are very enjoyable, but doing them full time is not the key to a good life.
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