Even though the use of double negatives in formal speech and writing is nonstandard, the use of double negatives is common in areas such as informal speech and popular music.

即使在正式演讲和写作中使用双重否定是不标准的，在非正式的演讲和流行音乐等领域双重否定的使用是很常见的。

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To give the formal areas of the house a stately feel, he installed black double doors, stained black walnut flooring, and blue velvet curtains.

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Houston-based Lauren Rottet, founder of Rottet Studio, encourages her clients to forgo a formal dining room for a home office with a desk that can double as an occasional grand table, for that rare event that calls for one.

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