我有一組資料如下 Vendor Document Date Clearing Date Invoice_Amount 0 A 09/13/2016 11/04/2016 2,007,324.85 1 A 04/18/2016 07/11/2016 631,714.68 2 A 09/13/2016 09/16/2016 4,000,000.00 3 A 07/11/2017 09/23/2017 5,000,000.00 4 A 05/03/2016 06/17/2016 2,000,000.00