《汉书·传·东方朔传》
于是，董偃入府将此计禀告太主，窦太主立即上书把长门园献给武帝。
入言之主，主立奏书献之。
Thereupon, Dong Yan entered the palace and reported this plan to Imperial Grandmother Dou, who immediately wrote a letter offering the Changmen Palace to Emperor Wu.