用of 就可以了，例如：1）By exploring Pluto and the KBOs, we expect to gain a better comprehension of this fascinating class of bodies. 透过探究冥王星和KBO，我们应该可以对这一类迷人的物体有更多的理解。2）I believe that developing one's comprehension of human nature simultaneously develops one's faculty for using English .我相信发展自己对人生的了解，也同时发展了自己应用英文的能力。...
