写作水平
50句背诵完会使你的写作水平突飞猛进(编辑修改稿)
accepted that no college or university can educate its students by the time they graduation. 现在，人们普 遍认为没有一所大学能够在毕业时候教给学生所有的知识。 28. This is a matter of life and death– a matter no country can afford