Nowadays, Olympics' economic influence on conducted city is obvious to all, because it is not only a agonistic behavior, but also a commercial and economic behavior.
当今的奥林匹克运动已不仅仅是一种体育竞技行为，更是一种商业与经济行为，她对举办城市的经济影响是有目共睹的。
The result shows that this behavior varies between species and within species. Moreover, the age structure is the main factor leading to the different agonistic behaviors.
结果表明两种大袋鼠格斗行为并不一致，种群内中年龄结构是导致不同格斗行为发生的主要因素。
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