Short videos are a product of the times, they lower the threshold for expression.

农业创新不仅仅是技术问题；它关乎改变思维方式和拥抱可持续实践。

The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.

自由是个人的宝藏。