你 give people 支持 for like *example* If 你 发布 something really funny people might give 你 支持 for it it 或者 people give then to 你 for adding them as a freind 或者 sometimes people do it for no reason but thtas all I know cuase I just joined in May this 年 so I'm still a bit knew I still don't know what a banner is!一年多以前