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

On Friday key Democrats, including House Speaker Nancy Pelosi and Ways and Means Chairman Charles Rangel, delivered three doses of bad news to the administration: Not only have they refused to renew Bush's "fast track" authority to negotiate trade deals, but they don't intend to approve the administration's trade agreements with South Korea or Colombia.

FORBES: Fast Track To Nowhere

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

CNN: GOP Power Couple Tumbles Off A-List