什么东西可以是红的或绿的，圆的或尖的，大的或小的，更重要的是，有人爱有人恨？
What can be both red or green, round or sharp, big or small, and more importantly, loved or hated by someone?
为什么交通灯是红、黄、绿三种颜色的？
但话又说回来，一旦你拿走苹果的圆的形状和红的颜色等，那么到底什么是苹果？
But then again,what is the apple once you take away its roundness, redness, etc.?
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