或许即席演讲最重要的一个秘诀是要随时做好准备，你应该能够预先通知自己将要发言。
SPEECH Perhaps the most important tip for giving impromptu speeches is to be prepared. You can often predict when you might be asked to say a few words.
美国人喜欢辩论，因为他们可以根据候选人现场的即席发言，对他们进行比较。
Americans like debates because the candidates can be compared in an unscripted, live performance.
多功能厅、会议室设备齐备，完善的音响灯光，手拉即席发言系统等，提供会议成功的保证。
Multifunctional hall conference room is well equipped with furniture sound and light instruments convenient speech system offering successful guarantee for your conference.
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