Personally, it is not recommended to use the import function to input data. Although it can save a lot of things, the accuracy of the data will be greatly reduced. For the same books and materials, such as the New Goods Dictionary, the title of supplier A may be "20 1 1 the latest version of Xinhua Dictionary", and the title of EXCEL sent to you by supplier B may be "Xinhua Dictionary 20 1 1 version", so that when importing books and materials, the computer will So my opinion is to record the bill manually, although it is more troublesome, but to ensure that the data can be accurate.