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1·They are amazed by the number of books written by Danielle Steel.

他们对丹尼尔·斯蒂尔的著作量感到震惊。

2·Danielle Steel, the 71-year-old romance novelist is notoriously productive, having published 179 books at a rate of up to seven a year.

71岁的浪漫小说家丹妮尔·斯蒂尔是出了名的高产，以每年多达7本的速度出版了179本书。