可是过了一会呢，咖啡杯顺利的过了马路，可是水杯却被卡车撞得水流入注，请问为什么呢？

But after a while, coffee cup smooth across the road, but the water has been trucks bump into water, excuse me, why?

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因为咖啡杯有“耳朵”，水杯没有。

Because coffee cup, no ears.

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专业生产：玻璃咖啡杯、玻璃水杯，茶杯、冲茶器、双层杯。

Professional production: glass coffee cup, water glass, teacup, blunt tea device, double cup.

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