With all of the restrictions that have been put on our lives thanks to the coronavirus, we can easily become frustrated, agitated, disappointed or discontent. Is there a secret to contentment? 

新冠肺炎给生活带来诸多限制,大家容易变得沮丧、烦躁、失望和不满。有什么秘诀能让人知足常乐吗?