但是当他作这场演讲的时候，演讲的重点转移到了科学家和文人知识分子之间的张力和误解。
Butt when he came to deliver it, the lecture's focus had shifted to the tensions and misunderstandings between scientists and literary intellectuals.
他还计划了他演讲的内容，将重点放在成绩最好的球队上，也就是上赛季赢得最多比赛的球队。
He had also planned the content of his speech to focus on the teams with the best records, the ones that had won the most games in the last season.
幻灯片在图表展示或视觉辅助方面十分好用，可以对重点起到补充作用。但很多人使幻灯片成了演讲的中心，而非演讲者本人和传递的信息。
It can be a useful tool for showing graphs or visual AIDS to complement important points, but too many people make it the focus of their presentations, in place of themselves and their actual message.
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