如何在Microsoft Excel 2010中输入特定数据后自动复制数据

I need to copy certain amounts of data in Microsoft Excel 2010. I have 2 different sheets, i.e. "Master" and "Delivery". In the "Master" sheet, I am making a unique set of ids by concatenating two different cells. These unique ids may or may not exist in the "Delivery" sheet.I need to copy certain amounts of data in Micro