我妹妹踉跄地越过我，丢下她的魔棒，哭倒在她的膝上。
My sister stumbles past me, dropping her wand, and cries into her lap.
所有这一切都说明，即便我挥动魔棒，永远的停止突变，至少还有些物种的进化可以持续很久，可能永不休止。
What all this means is that even if I waved my wand and stopped mutation for good, there are at least some species in which evolution could carry on for ages, perhaps indefinitely.
我挥动魔棒，立刻就能使所有物种的基因突变率变为零，永远不再有突变了。
I'm going to wave a magic wand and reduce the mutation rate to zero, instantly, in all species, and forever.
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