高分子物质的性质不仅取决于其构建单元的性质，还取决于这些单元在空间中的排列方式。
The only way to achieve the impossible is to believe it is possible.
Every day confirms his belief of the inconsistency of all human characters, and of the little dependence that can be placed on the appearance of merit or sense.
一个国家的力量源于其田地的肥沃和农民的智慧。#
The leather industry has a rich history, but its future depends on innovation and ethical practices.
