警察拘留并殴打僧人，激起其他藏族人的不满。

The police then detained and beat up some of the monks.

藏族人通常用一长条丝绸来欢迎他们的朋友。

Tibetans usually welcome their friends by presenting a long piece of silk.

在藏族人的礼仪文化中，哈达文化占有极其重要的一席之地。

Offering Kha-b tags plays an important part in their etiquette.