set and subset

• 集合与子集

set and subset的用法和样例：

例句

1. The iconicity shows the way of recognizing the world, not the innate character of the language, being included by the former.Their relationship is just as a set and a subset.
   象似性体现了人们认识世界的方式，而非语言的本质，任意性涵盖了象似性，呈集合与子集的关系。