班级将举办英语演讲比赛，请根据思维导图，以"How to Be Happy"为题目，写一篇90词左右的演讲稿．开头和结尾已经给出（不计入总词数）．

要求：

1．短文应条理清楚，行文连贯，段落分明．

2．短文中不能出现真实的姓名、学校、地名等信息．

3．短文应包括全部信息，可围绕主题适当发挥．

Good morning，everybody!The topic I want to talk about today is"How to Be Happy"．The following are my suggestions．

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