While some gestures (e.g., a clenched fist) have universal meanings, most of the others are individually learned and idiosyncratic.

一些手势有着共通的意义(比如一只握紧的拳头)，但大多数需要后天的习得。

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A good public speaker knows how to use effective gestures and maintain an appropriate posture while speaking to an audience.

一个优秀的公共演说家知道在演讲的过程中如何有效地使用手势和姿势。

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Some gestures project a very positive message, while others do nothing but set a negative tone.

有些姿势是非常积极的信息，另外的什么也不干却树立了消极的音调。

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While gestures were fluid for the most part, the Google app showed a bit of a lag in response for clicking and loading messages and details.

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While flamboyant gestures sometimes come off, there is no substitute for straightforward thinking.

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Even the button itself is refreshed: you can now hold down the button while drawing gestures on the screen to access features like the Quick Command tool (we'll cover this later) and a few other navigational abilities.

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