Because this information is a few nodes down in the tree, dot notation is used to indicate the exact hierarchical position of the required nodes to the query parser.
因为此信息是树下的几个节点，所以点符号用于说明针对查询解析器的所需节点的确切层次位置。
2
People with money need more information than that (especially in the post-dot-com world).
拥有资金的人需要的信息不止于此（尤其是在后 .com（post-dot-com）时代）。
3
The information about these styles is stored in a file called the document template file, saved with an extension .dot.