Sometimes we get sad about things and we don’t like to tell other people that we are sad about them. We like to keep it a secret. Or sometimes, we are sad but we really don’t know why we are sad, so we say we aren’t sad but we really are.

今天我们播下的每一颗种子都是对后代的承诺。

建筑真正的考验是它如何老化。