cooperation
	英 [kəʊ,ɒpə'reɪʃ(ə)n]
美[ko,ɑpə'reʃən]
	    
    英英释意
	
	- 1. joint operation or action;
 - "their cooperation with us was essential for the success of our mission"
 
- 2. the practice of cooperating;
 - "economic cooperation"
 - "they agreed on a policy of cooperation"