在他完成每一篇文章时，他没有兴奋，也没有快乐。

After he completed each article he experienced no excitement and no happiness.

youdao

与你账号关联的邮箱每24小时将被清理一遍，让你可保持匿名享受快乐。

The email associated with your account is cleared every 24 hours allowing you to remain anonymous and still have fun.

youdao

他发明的电子书的快乐在于任何人可以在任何地方免费地用任何仪器读哪些书。 而每一本都可以轻松地被复制一百万份。

The joy of e-books, which he invented, was that anyone could read those books anywhere, free, on any device, and every text could be replicated millions of times over.

youdao

The reason why we need positive psychology is to shift the pendulum from the 21:1 ratio that we have today: for every one study on depression or anxiety, we have 21 studies on-- sorry, for one study on happiness or wellbeing, we have 21 studies on depression and anxiety.

我们需要积极心理学是为了改变,现在的21比1这个比率：,每有一项关于抑郁或焦虑的研究，就有21项，对不起，应该是每有一项关于快乐或幸福的研究，就有21项关于抑郁或焦虑的研究。

哈佛公开课 - 幸福课课程节选