We can distinguish the blurred shapes and colours we see at a distance only because of the capacities of our eyes.

I don't think you need to be sad to write a sad song.

自由民主在世界范围内的传播并非不可避免，但它是最有可能的结果。

如果你收养了一只饥饿可怜的狗，并且让它舒适顺利，它将不会咬你，这便是一个人与一只狗之间最主要的差别。