短语词组短語concentrate on dealing with 專心對待On maintenance with agreement 論協議扶養be on par with 兩者數量be on board with 接受gets on well with 獲取與Insist On Identity With 強求一律carry on commerce with 與進行商業貿易;對…給予簡單評價be on guard with 警戒;詳細繙譯 返回 on with