This has created “a paradox” in that recruiting first-generation students, but then watching many of them fail, means that higher education has “continued to reproduce and widen, rather than close” an achievement gap based on social class, according to the depressing beginning of a paper forthcoming in the journal Psychological Science.
根据即将发表在《心理科学》期刊上的一篇论文令人沮丧的开头，这种做法创造了一个‘悖论’：招收第一代大学生，但随后却看到其中许多人失败，这意味着高等教育‘继续复制并扩大，而非缩小’了基于社会阶层的成就差距。
is too limited for us to reproduce it.
过于有限，无法供我们复制。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。