The number of World Cup artifacts coming into the library has increased in recent days, and Kale expects that trend to continue for the next few months.

VOA: standard.2010.07.10

if we think about electronegativity as a periodic trend we can just draw our nice periodic table here, and let's separate it into quadrants.

如果我们来思考一下电负性的周期性规律,我们可以把我们漂亮的周期表画在这，然后把它分成四个象限。

麻省理工公开课 - 化学原理课程节选