That's one of the beauties of proteins as working molecules is that their structure can be changed by subtle means.

蛋白质作为一种生物活性分子,其优势之一是,能够通过精细的方法改变其结构

耶鲁公开课 - 生物医学工程探索课程节选

There are also all kinds of paradoxes and subtle puns and ironies, and in section where you'll be doing a lot of your close reading work, those are some of the things that will be drawn to your attention.

里面有各种悖论，微妙的双关语，明讥暗讽，在课上我们将会做很多精细的阅读，而那些就是你们应该注意的地方。

耶鲁公开课 - 旧约导论课程节选