play a central role

play a central role take a role 还是play a role start a role play 英译汉 play a leading role in还是play leading role 英语翻译要用到：play a role， play a role in造句并翻译 a role play （中文意思）急用 play a role in doing造句 play a dominant role in 怎么翻译 play the role of a student是什么意思 英语翻译The Internet will play a central role in conducting international trade beyond the year 2000.The World Trade Centers Association (WTCA) recently announced a plan to assist developing countries develop a capacity for e-commerce and e-busin play a essential role in还是play an essential role in? He___a policeman in the film 是play a role of还是play the role of play a role 和 leading role 和 hero什么意思（都是剧词） Is not to play the role of a bridge? play inportant role in running a school有没有错误 play a crucial role inshen me yi si ^^... 改错：They play a important role in the modern life.