The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
The process of decoding the genetic code was like solving a complex puzzle, piece by piece.
你的身体是一个战场。
在私利面前能够想到道义，遇到危难能够挺身而出，虽然长期生活在贫困之中，也没有忘记平生的诺言，这样就可以说是一个十全十美的人了。