不可否认 It is undeniable that…

有争议性的问题 a controversial issue

对…必不可少 be indispensable to …

正如谚语所说 As the proverb goes:

应当承认 Admittedly,

责任感 / 成就感 sense of responsibility / achievement

竞争与合作精神 sense of competition and cooperation

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

学习知识和技能 acquire knowledge and skills

经济/心理负担 financial burden / psychological burden

考虑到诸多因素 take many factors into consideration

做出共同努力 make joint efforts