並前往https://tw.carousell.com/p/hess-hippo-math-4-%E5%B9%BC%E5%85%92%E4%B8%AD%E7%8F%AD%E4%B8%8B-%E6%95%B8%E5%AD%B8%E6%95%99%E5%85%B7-1035188519/
