可以利用身体自身的防御机制来对抗癌症。
The universe is asymmetric and I am persuaded that life, as it is known to us, is a direct result of the asymmetry of the universe.
The best time to plant a tree was 20 years ago. The second best time is now.
"A story should have a beginning, a middle, and an end—but not necessarily in that order."