Martin figured what the book would earn him on such a sale.Retailed at a dollar, on a royalty of fifteen per cent, it would bring him one hundred and fifty dollars.

• 马丁便按这个标准估计了一下那书所能带给他的收入：若是一元钱一本，版税算一毛五，那么那书就能给他带来一百五十元。