Clinton said the two countries, which had frosty relations during the Cold War era and beyond, still differ on some key issues but that their new partnership has the potential to be a "signature accomplishment" of the two governments.

VOA: standard.2009.07.20

These two dialogues, it should be evident, I mean, differ not only in content but in their dramatic context.

这两本语录，很明显地，不只是内容不同,其戏剧性的脉络更是不同。

耶鲁公开课 - 政治哲学导论课程节选

If I'm talking about two DNA strands and they differ only in one or two base pairs they won't be exact complements and they won't form this double helix.

假设有两条DNA单链,有一两个碱基不能配对,它们就不能完全互补,也无法形成双螺旋形结构

耶鲁公开课 - 生物医学工程探索课程节选