伞的用途一:遮风挡雨;
伞的用途二:遮阳防晒;
伞的用途三:挡风沙;
伞的用途四:遮丑;
伞的用途五:挡脏物;
伞的用途六:衬托;
伞的用途七:广告功能;
伞的用途八:防御功能;
伞的用途九:增加亲密度;
伞的用途十:隔离。