当一个管理人员进行演讲的时候，他通常站在讲台的后面，读着脚本或者讲词提醒机上的话(或使用上面只有文字的PowerPoint幻灯片)。
When a management type makes a speech, he or she usually stands behind a podium and reads a script or the words on a teleprompter (or USES PowerPoint slides with nothing but words).
每个幻灯片只有一个旋转点。
只有使用者正确执行上一个动作，才会移到下一张幻灯片。
The movie moves to the next slide only after the user has performed the previous action correctly.
只有使用者正确执行上一个动作，才会移到下一张幻灯片。
The movie moves to the next slide only after the user has performed the previous action correctly.
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