Don't be thrown if a question seems to you too narrow or covers only one lecture or book.

假如一个问题对你来说太狭窄，或者只包括一个讲座或一本书籍，别被扔下了。

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This book has a narrow focus. But if you're in its target audience, it's worth a read.

这本书的针对面狭窄，但如果你是目标受众之一，还是值得一读的。

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It's a book with intense but narrow appeal, strictly limited to anyone who has ever had, known or wanted a dog.

这本书只对那些曾经养过、了解过或者想要养狗的人们有着强烈的吸引力。

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Although Airbus has more than 400 orders from China on its books, mainly consisting of narrow-body A320s, it could very well talk its way out of cancellations and rejig its order book to cover up any short-term delivery deferrals.

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