"A writer’s job is to pay attention to the world."

Most people are afraid of change, but if you look at it like it's something that can always count on, then it can be a comfort．It doesn't have many things that you can count on．

高分子化学的引入开辟了一个新的材料世界，其性质和应用仍远未被充分探索。

好的设计是解决问题，而不仅仅是让事物看起来好看。