self evident meaning in English

不证自明的
自明的

It is self evident that the education of the yung is vital to the future of a country
不言而喻，青年人的教育对于一个国家的末来是到关重要的。
It ' s self evident that the sustainable development of gssl ( government - subsidized student ' s loan ) policy is very important to the cost sharing mechanism in higher education and financial assistance system for poor students in our country
摘要国家助学贷款制度可持续发展对于我国高等教育成本分担机制与贫困生资助体系的重要性是不言而喻的。