从历史上看，来自亚欧大陆的适应寒冷的羚羊物种迁移到气候通常更温暖的非洲，而适应温暖的非洲物种迁移到亚欧大陆。
Historically, more cold-adapted antelope species originating in Eurasia have migrated into Africa, where the climate is generally warmer, than have warm-adapted African species into Eurasia.
从历史上看，这些有关哪种情况更流行或重要，或者哪种错误更令人吃惊的决策都是基于感觉而制定的。
Historically, these decisions were made on a gut-feel basis about which cases were more prevalent or important, or which errors were more surprising.
他们指出从进化，历史和跨文化方面看，15 - 19岁女孩在对付同伴方面会更主动。
Evolutionarily, historically and cross-culturally, they point out, girls in the fifteen - to nineteen-year-old range would be most actively competing for mates.
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