They should appear natural and spontaneous, help to clarify or reinforce your ideas, and be suited to the audience and occasion.

 
  • 手勢應該顯得自然,由衷而發(fā),應該幫助闡明或進(jìn)一步證實(shí)你的觀(guān)點(diǎn),還應該適合于聽(tīng)眾和場(chǎng)合。
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