主题是自传性的,实际上与希望、记忆、感官和参与有关。
地球形状的问题本质上是势理论中的一个问题。
The world is before you, and you need not take it or leave it as it was when you came in.
变老的好处之一就是你可以畅所欲言而不必担心后果。
Paper can be permanent if you respect its characteristics and design accordingly.