短语词组短語not t a big deal 不是什麽大不了的事情That 's not a big deal 沒什麽大不了的it 's not a big deal 性沒什麽大不了;優雅穿梭;四月未央I 't not a big deal 沒什麽大不了的It 's a not big deal 事情事件 返回 not a big deal