The outbreak of the Second World War was quickly followed by an increase in the number of daynurseries in almost all countries, as women were again called up on to replace men in the factories.
二战爆发后，几乎所有国家的日间托儿所数量都迅速增加了，因为妇女再次被征召去替代工厂里的男性。
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It is a growing problem, according to the National DayNurseries Association.
根据国庆日育儿协会的说法，这是个越来越严重的问题。
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Pre-school education may also be provided in some private daynurseries and pre-school playgroups (which are largely organized by parents).