The idea of recommending humor in a presentation gets a bad rap because of the common and tired practice of opening up a speech with a joke, almost always a lame one.

因为那些把笑话用于演讲开始的尝试低级而老套，它们所使用的笑话大部分都是蹩脚的，导致建议在展示中使用幽默的想法受到了无理的谴责。

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Getting beer into its glass with its carbonation intact and the correct volume of foam while achieving a nice visual presentation is an art form that takes some practice.

把啤酒倒入酒杯，在完整保留碳化作用和恰当泡沫量的同时还要获得良好的视觉效果，这是一门需要经过一番实践才能练就的艺术。

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Practice, over and over, until you are able to do your presentation with the minimal amount of cue CARDS.

练习吧，反复操练，直到你只借助最小数量的提示卡就能做好汇报。

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Nor is student participation encouraged, so budding professionals have little chance to practice important presentation skills and debating techniques.

CNN: ASIANOW - TIME Asia | Business: Leadership Deficit

Most people save their practice time until the night before a presentation and it shows.

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The more you practice a presentation out loud the more you internalize the words and the content.

FORBES: Steven Tyler's Guide to a Rockin' Presentation