短语词组短语just t in case 就是为了预防万一JIC just in case 以防万一But just in case 但为了以防万一um just in case 一防万一ø just in case 以防Chuangketie on just in case 带上创可贴以防万一Just in case it breaks 防止它破碎的说just -in-case learning 备用学习 返回 just in case