Happiness was an emotion that Jerry was having to relearn.

幸福是一种杰瑞当时不得不再学习的感情。

《柯林斯英汉双解大词典》

youdao

Having a network of social support and outlets for expressing emotion seem to be protective. Personality traits, on the other hand, play a surprisingly small part in predicting vulnerability.

有着社交支持和宣泄情感的渠道的人防此病的能力强，而性格特点在预测脆弱性上却只起一小部分作用。

youdao

Perry and Tyler have been a song-writing team for around 40 years, having penned hits Sweet Emotion, Dream On and Livin' On The Edge.

BBC: Tyler leads 2013 Songwriters Hall of Fame

But when he talks about the school board it is with surprising emotion: having seen two of his own children die, his friends say, he feels an obligation to save the rest.

ECONOMIST: Richard Riordan��s conjuring trick

Rather, the main emotion was relief at having survived.

ECONOMIST: Online trading in Asia