universal wear tester

例句：

1. 1. This universal rule applies to all students.
   这个普遍规则适用于所有学生。
2. 2. The universal language is spoken by billions of people worldwide.
   通用语言是全球数十亿人使用的语言。
3. 3. The universal solution to the problem is to find a way to fix it.
   解决这个问题的通用方法是找到一种解决方法。