He looks to the past for a case in point: In the Warsaw talks, the US and PRC engaged in more than 300 meetings, but it all came to naught, ending only in a tremendous waste of resources and manpower.
他舉過去的事實為例：華沙會議中，美國曾和北京談過三百多次，最後還是無疾而終，徒然浪費許多資源、人力。