如果要直译的话就可以说英语翻译:上二楼,然后你可以在从有数第二家店买到它.我这样翻译可以吗:Go to the second floor and you can get it from the second store from the right.(把on the second store fron the right 改为from the second store on the right)
不过你可以简单点翻译成：You can buy it from the second store on the right of the second floor.