Extroverts respond to external stimuli—being around a large group of people, for example—whereas introverts are stimulated internally—by reflection, toying around with ideas and analyzing an interesting train of thought.

外向的人与外界互动积极——比如，在被一大群人围着的情况下，而内向的人的能量来自内心，通过反思、天马行空的思考和分析一些有趣的想法来让自己兴奋不已。