有些秘密是不能被说出口的。
There are some secrets which do not permit themselves to be told.
Every loaf tells a story, from the flour to the final slice.
The story of CRISPR is still being written, and we all have a role to play.
我们不仅要造车,还要造好车,造让中国人骄傲的车。
The psychologist must avoid all forms of mental physics.
A public-opinion poll is no substitute for thought.