"It's not rewarding". Mr Bell said such complaints were unheard of ten years ago.

“这是无益的”，在十年前Bell先生诉说过这样的抱怨没有人听到。

youdao

The bell rang, and, as when I had begun this story, there were a good ten to fifteen seconds when no one in the classroom moved.

铃声响起，当我开始这个故事，大概足足有十到十五秒钟，教室里所有人一动也不动。

youdao

I arrived in my classroom ten minutes before the bell rang, just as the first of my students trickled in.

铃响前十分钟我提前到了教室，最早的那批学生正陆陆续续进来。

youdao

And he projected this into Bell's Law: Every ten years you get a hundredfold increase in computing capabilities.

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