Grief is love turned into an eternal missing.

The past is a cupboard full of light and all you have to do is find the key that opens the door.

一片叶子遮住眼睛，就连泰山也看不见了。

The leather industry has a rich history, but its future depends on innovation and ethical practices.

科学人应当没有愿望、没有情感，只剩一颗如石之心。