The data model has no notions of words or tokens inside a text node; it just represents the textual content of an element or attribute as one contiguous node.
数据模型没有表示文本节点中的单词或符号的概念；它只是将元素或属性的文本内容表示为一个后续节点。
2
Experiments show that with a better efficiency the translation results of our non-contiguous phrase-based model and hierarchical model are comparable.