知乎CTO李大海牛津演讲全文：崛起的中国科技创新力量(12) 近日

But Chinese technology industry is still exploring to realize the other half, for instance, my company Zhihu. AI algorithm and machine learning have been extensively used in the flowing and converting of knowledge. We can see the technological innovations behind the content-based recommendation systems of Zhihu 。

从大型工程建造，到细胞粒子级的探索，再到改变生活细节的互联网应用，中国取得的这些科技成就，靠的不是闭门造车，而是全球化的开放合作。当然，这些技术创新中就有大量来自归国留学生和学者的贡献。

The engineering constructions, the innovations in discovery, the changes of our lives, or whoever ， these technology achievements in China was depending on globalized openness and cooperation instead of operating behind closed doors. Particularly, a large number of these technological innovations have come from the returned students and scholars 。