还是搞不懂share sth with

我觉得是 1/6.

同楼上

这个问题正好我认为自己搞明白了，分享一下

A shares sth with his friends. –> A 和 friends 一起共享。（包含A)
A shares sth among his friends. –> A把东西给his friends分享。(不包含A)