数学的研究对科学的发展就像空气或水一样。
The study of mathematics is like air or water to the development of science.
电影应该是它所来自社会的反映，也是世界的镜子。
When one door is closed, don't you know, another is open.
政策应是水产养殖发展的指南针，而非锚点。
