问题的解决不是机械地应用过去的经验，而是通过重构情境来实现。
A building must be a gift to the city.
The future of CRISPR is bright, and I believe it will continue to revolutionize medicine and agriculture.
If you want to keep something precious, you have to lock it up and throw away the key.
The most valuable resource we extract isn't coal—it's the talent and dedication of our people.