Jack Ma, founder of China's search engine Alibaba, is also a key speaker.

中国电商巨头阿里巴巴的创始者马云也是其中一个重要的发言者。

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The second key to being a good speaker is to follow the motto of the Boy Scouts: be well prepared.

成为一个优秀的演讲者，关键之二在于遵循童子军的座右铭：做好准备。

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This leads us to the first key of being a successful public speaker: talk about something you know about.

这就为我们引出了成为一个成功的公众演说家的第一个秘诀：谈论你知道的事情。

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In addition to this, An intellectual discussion on Science and Capacity Building by esteemed Chief Guest Dr. R P Kapoor and Key Note Speaker, Jaiprakash S. Hasrajani from Taaleem India was conducted.

UNESCO: Politique scientifique et renforcement des capacit��s

He, too, was a House member and one of Speaker Newt Gingrich's key lieutenants.

CNN: GOP Power Couple Tumbles Off A-List

Earlier this month, Treasury Secretary Henry Paulson and Commerce Secretary Carlos Gutierrez sent a letter to key leaders of Congress, notably House Speaker Nancy Pelosi, D-Cal.

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