1. Draw yourselfup to your full height and look your audience straight in the eyes, and begin to talk as confidently as if every one of them owed you money.
身体站直，直视听众的眼睛，然后开始信心十足地讲话，好像他们每个人都欠你的钱似的。
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2. Next time you see an advertisement saying some product could be up to 20% more effective, think of these maxims of quantity and relevance, and ask yourself what inferences you are being led to draw.
3. Next time you see an advertisement saying some product could be up to 20% more effective, think of these maxims of quantity and relevance, and ask yourself what inferences you are being led to draw.
