You are preparing a presentation.

你正在准备一次演讲。

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The final step to preparing a presentation is to figure out what sort of visual aids you're going to need.

准备演示文稿的最后一步是搞清楚故你将需要怎样的视觉效果。

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Let's imagine you are preparing a presentation for a large audience on current issues in Japanese education.

现在假设你正在准备一个针对很多观众的关于目前日本教育问题的演讲。

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At present, the white hot center of fanboy excitement is located in the Galen Center, where Microsoft is preparing to host a keynote presentation.

FORBES: Live From Microsoft's E3 Xbox Keynote