在每一次物种大灭绝后，都有一次突然的进化爆发，因为会有新物种出现来填补灭绝创造的生态位。
Following each mass extinction, there is a sudden evolutionary burst as new species develop to fill the ecological niches opened by the event.
近几年在英国出现的更加令人吃惊的零售业现象之一是，衬衣专卖店突然爆发式增长。
One of the more astonishing retail phenomena in Britain in recent years has been the sudden explosion of specialist shirt retailers.
过去流行性疾病爆发时，总会突然出现大范围病例，令世人震惊。
Past pandemics have always announced themselves with a sudden explosion of cases, taking the world by surprise.
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