51.对这一问题持有不同态度

　　hold different attitudes towards this issue

　　52.支持前/后种观点的人

　　people / those in fovor of the former/ latter opinion

　　53.有/提供如下理由/证据

　　have/ provide the following reasons/ evidence

　　54.在一定程度上

　　to some extent/ degree / in some way

　　55.理论和实践相结合

　　integrate theory with practice

　　56.必然趋势

　　an irresistible trend of

　　57.日益激烈的社会竞争

　　the increasingly fierce social competition

　　58.眼前利益

　　immediate interest/ short-term interest

　　59.长远利益

　　interest in the long run

　　60.有其自身的优缺点

　　has its merits and demerits/ advantages and disadvantages