The Navajo are noted as stockbreeders and skilled weavers, potters, and silversmiths.

纳瓦霍人以豢养家禽，技术熟练者，制陶者和银匠而名。

Animal welfare rule is vallum instituted by developed country, which is adapt to stockbreeder marketing.

动物福利准则是来许多发达国家新设定贸易壁垒。