Generate a more complex version of this sentence The album was certified gold by the British Phonographic Industry (BPI) on 1 December 2006,'' Enter'' The Understanding'' trong trường'' Tìm kiếm '.
Tất nhiên, một phiên bản phức tạp hơn của câu là "The album was certified gold by the British Phonographic Industry (BPI) on 1 December 2006, and had sold 103,500 copies in the United Kingdom as of March 2009".