只有需要从文档树中的多个位置观测一个事件时才会造成区别。

The distinction only matters if a single event will be observed from multiple places in the document tree.

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需求明显地区别于文档中附加的描述性信息(如图2)，这使得“看清森林中的树”变得更加容易。

Requirement text is visually differentiated from additional descriptive information in the document (see Figure 2.). This makes it easier to "see the trees in the forest."

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关键区别在于，SOAP逻辑树还包含Web服务消息的任何附件。

A key difference is that the SOAP logical tree also contains any attachments for your Web service message.

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And, yet, think about the qualities of sound that are so different between "across the lines of straighter darker trees" and "I like to think some boy's been swinging them."

想想这音律的特别之处,这两句有很大的区别,“穿过排列成行的挺直黑黑的树“,我总以为有个孩子把白杨“荡“弯了“

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