I'm not a businessman; I'm a business, man.
主要的义务规则是那些要求或禁止某些行为的规则。
粮食安全的未来蕴藏在海浪之下——前提是我们负责任地养殖。
The discovery of the genetic code was a monumental step in understanding the molecular basis of life.
DNA的语言是通用的,但它的应用却极具个人性。