除非你知道型號年限,自己去買這本書來查價錢。最後發現,白搭進去$20.
https://www.amazon.com/Piano-Buyer-Model-Supplement-Spring/dp/1929145187/ref=sr_1_1?crid=1ZVVMV2JUVCKL&dib=eyJ2IjoiMSJ9.d78J0H3WK58JA3z_8WFxPDHImP62-SGaqMtaheWeRxUXvwR5fVV2KqEDE4t_6cIL.Ucyq7e2nuTkihL_T9-83nUem__dTLFGc0FynvnJSZNk&dib_tag=se&keywords=piano+buyer+spring+2024&qid=1716923249&s=books&sprefix=piano+buyer+%2Cstripbooks%2C107&sr=1-1