This all changed, thanks to an man named Cai Lun.

幸得一个叫蔡伦的人，这一切都改变了。

youdao

But when she went, workers kept promoting their products for over an hour, and the hairdresser refused to begin working because Cai didn't want to spend more money there.

可是她去做头发时，店员一直向她推销，持续了一个多小时，而且她不加钱做其它项目，美发师就不动手工作。

youdao

Cai, a well-known collector, owns an auction house in Fujian province.

作为知名的收藏家的蔡铭超在福建省有一个自己的拍卖行。

youdao

An unrestricted donation allows CAI to apply contributions in the most strategic way possible.

FORBES: Greg Mortenson's Climbing Partner: I "Must Have Misspoken" To Krakauer

Mathaf, billed as an Arab museum of modern art, had Chinese artist Cai Guo-Qiang as the centerpiece of its first major solo show.

WSJ: Taking It to the Street | The Shift