短語詞組短語administrative demotion 行政降級Demotion Management 降職管理demotion payment 降級報(bào)酬administration demotion 行政降級dynamic demotion 動態(tài)降職semantic demotion 語義降級demotion E 降級demotion method 降級法iPhone4S Demotion iPhone4S 降級 返回 demotion