"It seemed like the perfect chance for natural selection to act on a population," said Dr. Ilardo.
“这似乎是自然选择在一个群体中发挥作用的完美机会。”伊拉尔多博士说。
2
That has provoked a debate about whether the phenomenon is an aberration, or whether natural selection favours it, at least when it is rare in a population.
这激起了一场争论，到底这种现象是误差，或是自然选择偏爱的结果(至少当它在群体中只占有稀少比例时)。
3
Based on the selection, the city population and ranking are fetched from the database and displayed in a Relational Record List.