他的小儿子曾拒绝与其他孩子玩，因为他们有属于自己的自行车，而他没有。由于这个原因，亚历山大发明了一种无可超越的自行车模型。
When his small son refused to play with other kids because all of them had bicycles of their own and he didn't, Alexander invented a model no one else could boast of.
这个研究需要受试者要玩一种电子游戏，游戏中他们需要保护自己不受攻击，而他们选择用来投掷的炸弹数量就是攻击性的表征。
In this study, participants played a video game in which they defended themselves from attackers, and the number of bombs they chose to drop was a measure of aggression.
俄罗斯的“大跨越”很少惠及其自己的人民，而他们传统上被视为一种资源。
Russia's "great leaps forward" have rarely benefited its own people, who have traditionally been seen as a resource.
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