量子世界和经典世界之间的界限并不像我们曾经认为的那样清晰。
"The boundary between the quantum and classical worlds is not as clear as we once thought."
It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.
Trade between two countries can be mutually beneficial, even if one of them is less efficient in the production of all commodities.
宇宙是一个谜题，每一次发现都是让我们更接近完整画面的一块拼图。