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2完整文稿和单词表：mraz-english
难度：Level 3
大纲：
01:47 The 20% happier people all knew 5 things | 容易找到幸福的人，都知道这5件事
02:46 Does that sound hard? actually it's easy to learn，only need 5 minutes | 听上去很难吗，实际上很容易，用不上5分钟
07:35 Now you know your life purpose, when you meet people ask you "So what do you do?" ,you can answer like this | 现在你已经知道人生目标了，之后再遇到别人问“你是做什么的?”，你就可以这样回答
