《黑暗中的回响：悲痛的交响曲》验钞机怎么升级

　　Five men have been business partners for decades. After years of working on the streets they pooled their money and purchased a night club that attracted a decent clientele. But their best days came after they remodeled the club into a gambling house. They kept the tiny dancing hall, but worked diligently to earn a reputation as a safe destination for seasoned gamblers. Their p... (展开全部)