The only thing that might change their behavior would be US withdrawal of its military force. In that case, the three countries would have to come to terms with one another by themselves.
美国存在容许东亚对手国可以不负责任地行事。美国撤军可能改变他们的行为方式。如果美国真的从东亚撤军，中、日、韩三国将不得不依靠自身力量达成协议。