如同你所看到的,在你的站点中有很多文字实体的使用。
As you have seen, there are a many USES for character entities within your site.
如同前面指出的那样,在内容模型中应该使用元素实体而不是文字元素名称。
As noted previously, you should use element entities instead of literal element names in content models.
观赏者必须感觉到它是一个单一的实体形态,而完全不靠它的食用意义或它会变成鸟这样的文字概念来感觉。
He must, for example, perceive an egg as a simple single solid shape, quite apart from its significance as food, or from the literary idea that it will become a bird.
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