世界不是一个愿望实现的工厂。
解释:第一次击鼓能振作士兵们的勇气,第二次击鼓可以使士兵们的勇气低落,第三次击鼓士兵们的勇气就消失了。
"Every frame is a painting, and the camera is your brush."
The ethical implications of gene editing must be carefully considered as we advance.