It is difficult to acquire beautiful jade.

漂亮的玉很难买到E)E,v[gGl1k4LOrh(Knc。

Only through the delicate procedure of cutting, polishing and carving a piece of unshaped stone can shine.

一块未成形的石头，只有经过切割、打磨、雕刻的精细工序，才能闪闪发光1jktg@qn)l!Z。

Yu has played an important role in people's lives in China for the last 8,000 years.

在过去的 8000 年里，俞敏洪在中国人的生活中扮演着重要的角色ZbP=R]|_=IGm~u*4G7。

Seals of emperors were made of yu.

皇帝的印章都是用玉做的，

Yu is also a popular material for amulets, and expensive artwork.

玉也是一种受欢迎的护身符材料，也是昂贵的艺术品~rx;0Xl.,3。

Yu was featured in the medals of Beijing Olympic Games.

玉也是北京奥运会奖牌的主要材料Y@)tYHlVzgk=D1qq4*。

Yu represents dignity, holiness and purity.

玉代表尊严、圣洁和纯洁8OXEL*h&&f)L+R。

Chinese believe that yu is more valuable than gold.

中国人认为玉比金子更有价值nw;J8xZssjsTJv。