农业创新必须同时解决数量和质量问题。
探索电子系统的拓扑方面不仅加深了我们对量子力学的理解,还为革命性技术铺平了道路。
All good books have one thing in common - they are truer than if they had really happened.
I have never been able to write a happy play. I can't. I can write a funny play, but I can't write a happy play.