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

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

23. 开阔眼界 widen one‘s horizon / broaden one‘s vision

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

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

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

27. 从另一个角度 from another perspective

28. 做出共同努力 make joint efforts

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

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

31. 打下坚实的基础 lay a solid foundation for…

32. 综合素质 comprehensive quality

33. 致力于/ 投身于 be committed / devoted to…

34. 应当承认 Admittedly,

35. 不可推卸的义务 unshakable duty

36. 满足需求 satisfy / meet the needs of...

37. 可靠的信息源 a reliable source of information

38. 宝贵的自然资源 valuable natural resources

39. 因特网 the Internet (一定要由冠词，字母I 大写)

40. 方便快捷 convenient and efficient