十一岁时我升级到使用一张6乘3尺的球桌，并向每个进我家的人挑战，不管他们喜不喜欢。

I graduated to a 6 'x 3' table when I was eleven years old, and challenged everyone who entered our house. Whether they liked it or not!

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一进工厂大院，母亲便放下篮子，揩掉脸上的汗水，向四周张望。

Once inside the factory yard, Mother set her baskets down, wiped the sweat off her face and looked round.

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一张票允许两人进博物馆参观。

One ticket admits two people to the museum.

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In fact the number of photons headed to your your eyes from those 2 tiles is exactly the same, physically that is the same.

实际上这两张瓷片,投射进你眼睛的光量子是一样的，从物理学的角度上说是完全相同的。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选