《资治通鉴·汉纪·汉纪十四》
轮台在车师西面一千余里，上次开陵侯成娩攻打车师时，虽然取得了胜利，迫使车师王归降，但因路途遥远，粮食缺乏，死于途中的尚有数千人，何况再往西呢！
轮台西于车师千馀里，前开陵侯击车师时，虽胜，降其王，以辽远乏食，道死者尚数千人，况益西乎！
Loulan is more than 1,000 li west of Cheshi. Last time, Kaolinghou Cheng Mian attacked Cheshi and although he won and forced the King of Cheshi to surrender, thousands of people died on the way due to the long distance and lack of food, let alone further west!