universal type

例句：

1. 1. The universal truth is that every human being is equal before the law.
   普遍真理是，在法律面前，每个人都是平等的。
2. 2. This universal language can be used to communicate with people from different countries.
   这种通用语言可以用来与来自不同国家的人们进行交流。
3. 3. The universally accepted rule of thumb is to double the amount of time you spend on a task.
   被广泛接受的窍门是，你投入任务的时间应该是其时间的两倍。