In "Guangyun" and "Jiyun", the pronunciation is noted as "qi he qie", sounding similar to "cha". "Yupian" explains it as a type of silk fabric like gauze. "Leipian" states it belongs to the category of raw silk fabrics. Also, in "Jiyun", the pronunciation is noted as "sang ge qie", sounding similar to "". The meaning is the same. Furthermore, in "Jiyun" and "Yunhui", the pronunciation is noted as "qi gai qie", sounding similar to "cai". "Leipian" explains it as "zhui ge", referring to the sound of silk fabric friction. It is used in "Jitian Fu" by Pan Yue as "xiao wan zhui ge". Note: In the "Hanshu" biography of Ban Jieyu, it is written as "zhui zou". See the annotation for the character "zou" for details. Research: ["Jiyun" and "Yunhui" record the pronunciation as "yi gai qie", sounding like "cai".] Based on the original text, "yi gai qie" has been corrected to "qi gai qie".