The concept of progress is inseparable from the concept of catastrophe.
围绕试管婴儿的伦理问题很复杂,但拥有孩子的愿望是一项基本人权。
"Words have power, but silence can be even more powerful."
The process of decoding the genetic code was like solving a complex puzzle, piece by piece.
"你越是试图理解真相,就越少知道。"