The first is, meaning is social, that is, language and conventions work only as shared meaning.

首先，意义是社会性的，也就是说，语言和习俗只能作为共同意义发挥作用。

The first is-meaning is social- that is, language and conventions work only at shared meaning and our way of viewing the world can exist only as shared or sharable.

第一个，意义是社会的，即语言和惯例只在共同的意义上起作用，而我们看待世界的方式只能是共有的。