许多演讲者看他们的演示文稿而不是听众。

Many presenters watch their presentation rather than their audience.

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部分演讲者可能会有少量的幻灯片演示。

There may be several speakers with little demos or small slide sets to show.

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部分演讲者可能会有少量的幻灯片演示。

There may be several speakers with little demos or small slide sets to show.

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