That attentiveness was one of the big effects of domestication, some scientists have argued, and a clear difference between the two species.

有的科学家认为，驯化过程中取得的最大成效就是我们培养了狗的这种注意力，这也是狼与狗最明显的区别之所在。

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There was no significant difference in the rate of serious side effects, including heart attacks and strokes, between the two groups.

而两组在副作用方面没有明显的不同，包括心脏病发作和中风的发生。

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Conclusion: Ast he combined injuries of the two ligaments occurred there was no obvious difference between repaired group and non-repaired group in clinical effects.

结论：距腓前韧带和跟腓韧带复合损伤时单纯修复距腓前韧带与两种韧带同时修复的临床疗效无显著差异。

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Is there a difference between the two in terms of ultimate negative effects on the economy.

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There was no difference in quality of life between the two groups and delaying treatment led to fewer reports of side effects.

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