尼玛哥这是表扬你写的好。这本书的销量比哈利波特都好！

Fifty Shades of Grey has topped best-seller lists around the world, including the United Kingdom and the United States.^[1][2] The series has sold 40 million copies worldwide,^[3] with book rights having been sold in 37 countries,^[4] and set the record as the fastest-selling paperback of all time, surpassing the Harry Potter series.

摘自维基百科：

^{http://en.wikipedia.org/wiki/Fifty_Shades_of_Grey}