In essence, the non-Duchenne smile is contrived, whereas the genuine smile seems to emanate from a deeper connection to one's joy.

事实上，非杜兴式微笑是做作的，然而，一份真诚的微笑像是从一个人的内心深处的快乐散发出来。

Therefore call upon Otter and Beaver, and we will anchor more humor and laughter, which will lead to greater joy in one's life dance.

因而召唤水獭和海狸，则我们将锚定更多的幽默和笑声，这将在你的生命舞蹈中带来更大的欢乐。

Perhaps the best way to boost one's happiness in this depressing economic environment is to recognize that joy not an individual experience, but a property of groups of people.

也许在令人郁闷的经济中，要提高快乐最好的一个方法是承认快乐不是自己一个人的体验，而是群体人共有的财产。

Conquering any difficulty always gives one a secret joy, for it means pushing back a boundary line and adding to one's liberty.

征服任何困难总会给人带来神秘的喜悦感，因为它意味着你突破了又一个界限，进入到一种自由的境界。

It is family, social and community networks that bring joy to one's life, according.

这就是家庭，社会和社会网络给人的一生带来欢乐。

To one's delight / joy / surprise, …

让某人高兴/惊奇的是，……。