1.复杂的社会现象  a complicated social phenomenon
2.责任感 / 成就感  sense of responsibility/ sense of achievement
3. 竞争与合作精神  sense of competition and cooperation
4. 开阔眼界  widen one’s horizon/ broaden one’s vision
5.学习知识和技能  acquire knowledge and skills
6.经济/心理负担  financial burden / psychological burden
7.考虑到诸多因素  take many factors into account/ consideration
8. 从另一个角度  from another perspective
9.做出共同努力  make joint efforts
10. 对…有益  be beneficial / conducive to…
11.为社会做贡献  make contributions to the society
12.打下坚实的基础  lay a solid foundation for…
13.综合素质  comprehensive quality
14.无可非议  blameless / beyond reproach
15.致力于/ 投身于  be committed / devoted to…