是的，非常有意思。我觉得最后一个演讲者尤为出色。
B: Yes, very.I thought the last speaker was especially good.
处于相同的原因，即一个页面并不是一个演讲者。
For the same reasons as above, however, a web page is not a speaker.
从一个演讲者的角度来看，在投影仪坏掉的时候不用幻灯皮进行演讲也不错。
From a speaker point of view, it is also a good idea to be able to deliver your presentation without the slides just in case of projector failure.
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