uniform principles

例句：

1. 1. The army requires all soldiersto wear uniforms.
   军队要求所有士兵都穿制服。
2. 2. The company has a strictpolicy of uniform dress code.
   公司有严格的着装规定。
3. 3. The uniform design is verypopular among students.
   这种制服设计在学生中非常受欢迎。