vi.增生，增殖，激增，扩散
vt.使激增，使扩散
Fantasies proliferate where factsare few.
事实缺乏则幻想增多.
Rabbits proliferate when they have plenty of food.
兔子有充足的食物就会繁衍得很快.
There is a natural tendency for services to proliferate.
各种服务大量产生就成为一种自然的趋势.
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