Future $: Average total rebill revenue earned by the affiliate due to sales from a site. Generally this equates to the average sum of all rebills.

每推销一获得的收入的平均数，注意这是网实际销售所得的平均数，所以他受（退，业税，短期销售）影响，短期销售，例如退票支票，并不影响这数字。