I'm the nucleus. I'm the center of the universe.
我是核心。我是宇宙的中心。
The past is a foreign country; they do things differently there.
The beginning is the most important part of the work.
刀展示了锋利,而试刀砍头的人将遭到不祥。
化学是一门研究物质性质及其变化的科学。