微笑事实上可以使你在他人眼中看起来更好。最近一项在宾州州立大学的研究发现，当你微笑时，你不仅显得更可爱、更有礼貌，事实上你会显得更能干。当你想看起来很棒、很能干、减少你的压力，或改善你的婚姻，或想要感觉像是吃了一堆高质量巧克力，而不需承受热量的代价，或彷佛在一件多年没穿的旧夹克口袋中发现二万五千元，或当你想使用超能力帮助自己和周围每个人活得更长久、更健康、生活得更幸福，微笑吧！ Ron Gutma

I know families who are already living in this reality. 我知道这在有些家庭中已经实现了。 The Daniels family, for example, set up a DNA lab in the basement of their suburban Chicago home. 例如丹尼尔斯一家，在芝加哥郊区的家庭地下室建立了一个DNA

All right. Thank you. I've got about apparently 5 or 6 minutes 谢谢大家 我有大概五六分钟时间 to say the most useful things I can think. I'm going to do my best 讲我认为最有用的东西 我会尽我所能 And it was suggested that I

Hi, everybody. The story of America is a story of progress. It's written by ordinary people who put their shoulders to the wheel of history to make sure that the promise of our founding applies no

演讲与历史：曼德拉出狱演讲 Address on the Release From Prison By Nelson Mandela Friends, Comrades, and Fellow South Africans: I greet you all in the name of peace, democracy and freedom for all. I stand here befor