join/combine/unite/connect/link/attach/associate/relate有什么区别

join着重于"加入"
combine着重于"结合"
unite"联合"
connect"联接"
link"链接"请注意,是"链"接,不是"连"接.
attach着重与"附属与"
associate着重于"交往"
ralate着重于"关联"