文档处理程序类的大小和复杂性随着不同 XML 标签数量的增加而增加，直到某个时候可读性和维护性都变得非常差。
The size and complexity of the document handler class increases with the number of different XML tags, up to the point where readability and maintenance can become very difficult.
即使是同一门类下的乳酪，其生产原料所用的乳品也是五花八门，各不相同，味道亦是千差万别。 不过，有了本文手把手式的指导，你就再也不会在乳酪世界里晕头转向了。
Within each category, individual cheeses made from different types of milk will taste wildly different, but you'll always know your way around cheese with this handy guide.
英国的保健补品信息服务中心昨天发布，维生素类补充剂对饮食条件差的人健康有好处。
The Health supplements Information Service in Britain said yesterday that vitamin supplements help people with poor diets.
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