For example, if I give a completely worthless one-hour long death-by-PPT presentation 10 times to groups averaging 20 people, that equals 200 hours of wasted time.
举例来说，如果我为一组平均20岁的人做了十次演讲，演讲毫无意义而且时长一小时并且完全照搬ppt，这个例子里，相当于浪费了200小时的时间。
For example, if I give a completely worthless one-hour long death-by-PPT presentation 10 times to groups averaging 20 people, that equals 200 hours of wasted time.
举例来说，如果我为一组平均20岁的人做了十次演讲，演讲毫无意义而且时长一小时并且完全照搬ppt，这个例子里，相当于浪费了200小时的时间。
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