让这样样式的企业相隔的是其迎合了两种不同种类的消费者，每一类客户都受益于有更多来自一类客户的光顾。
What sets this type of enterprise apart is that it caters to two distinct groups of customers and each sort benefits the more custom there is from the other sort.
您可以将此样式添加到任何种类的 HTML 元素中 —— 比如说 textarea —— 来将它的宽度扩展到 4 列。
You can attach this style to any kind of HTML element—such as a textarea—to make it four columns wide.
与级联样式表相似，这种类型的处理指令是可选的，甚至对于转换工具来说也是这样。
Like a cascading style sheet, this type of processing instruction is optional, even for a transformation tool.
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