2. 对…产生有利/不利的影响exert positive / negative effects on…

　　3. 利远远大于弊The advantages far outweigh the disadvantages.

　　4. 导致，引起lead to / give rise to / contribute to / result in

　　5. 复杂的社会现象a complicated social phenomenon

　　6. 责任感/ 成就感sense of responsibility / achievement

　　7. 竞争与合作精神sense of competition and cooperation

　　8. 开阔眼界widen one's horizon / broaden one's vision

　　9. 学习知识和技能acquire knowledge and skills

　　10. 经济/心理负担financial burden / psychological burden

　　11. 考虑到诸多因素take many factors into consideration

　　12. 从另一个角度from another perspective

　　13. 做出共同努力make joint efforts

　　14. 对…有益be beneficial to / be conducive to…

　　15. 为社会做贡献make contributions to the society