然而，大多数营销人演示的却是视觉和情感。

Yet most marketing presentations are visual and emotional.

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还有些公司请年轻人向高管们进行演示。

Other companies ask young people to show them the ropes.

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一个公司的官方发言人EricSun说：“我们把这个演示做了一遍又一遍。”

"We've done this demonstration over and over," said Eric Sun, a company official.

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它们可以通过演示来学习——工人抓着机器人的“手腕”，展示如何完成一个任务，机器人就能在几分钟内学会。

They learn by demonstration– a worker will take the robot's "wrist" and show it how to perform a task.

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它们可以通过演示来学习——工人抓着机器人的“手腕”，展示如何完成一个任务，机器人就能在几分钟内学会。

They learn by demonstration– a worker will take the robot's "wrist" and show it how to perform a task.

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