数学的美在于它是永恒的,它不会改变。
The beauty of mathematics is that it is eternal, it doesn't change.
The moral feeling of human nature is an obligation, and we must endow the soul with the sense of beauty.
The dairy industry must pursue high-quality development, not just scale.
物体与物体之间产生的"间",才是最重要的表现。
世界上充满了故事,但所有的故事都是一体的。