2019考研英语长难句（186）介词短语作后置定语

As Nature has pointed out before, there are some legitimate concerns about how science prizes—both new and old—are distributed.

主干：there are some legitimate concerns

介词短语作后置定语：about how science prizes—both new and old—are distributed.修饰concerns。

翻译：正如《自然》杂志以前已经指出的那样，对于科学奖项——新设的和原有的——如何分配，存在某些忧虑是合理的。