这一条看上去几乎与前一条内容相似，而事实上，这正是同一个概念的延伸，一个更为具体的应用。

This might seem almost the same as the item above, and in reality it’s an extension of the same concept, a more specific application.

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品牌延伸是品牌经营战略的重要内容之一。

Brand extension is one of the important contents of brand management strategy.

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把学术界较少研究的品牌纵向延伸作为主要研究内容。

This article studies the vertical extension, which are less studied by previous scholars.

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这是课堂内容的延伸，课外是孩子交流课堂知识的广大空间。

Let's talk --- This is my room. There is/are…in my room.

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这是课堂内容的延伸，课外是孩子交流课堂知识的广大空间。

Let's talk --- This is my room. There is/are…in my room.

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