我们无法仅依靠理性来认识因果关系。
We cannot know the cause, and therefore the effect, by reason alone.
I believe that children are our future. Teach them well and let them lead the way.
如果没有地幔对流的概念,大陆漂移理论将只是一种猜测。
"I'm not a fan of me, I'm a fan of my music."