1973年，社会学家马克·格兰诺维特指出，在我们的社交网络中，关系松散的熟人或“弱关系”对我们的行为和选择产生了不成比例的影响。
In 1973 sociologist Mark Granovetter showed how the loose acquaintances, or "weak ties", in our social network exert a disproportionate influence over our behaviour and choices.
肥胖率上升对美国人的健康及寿命产生了不成比例的影响。
But the increase in obesity has had a disproportionate impact on Americans' health and longevity.
今天，在美国，低收入家庭和有色人种被室内或室外空气污染不成比例的影响。
Today in the United States, low-income households and people of color are disproportionately affected by indoor and outdoor air pollution.
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