How to quickly get rid of duplication of a large number of clue resources imported by telemarketing team?

In this case, it is difficult to do it by one's own ability. Our company was audited by our management at first, but it was too boring in just a few days. Originally, it was a simple screening method according to the size of 1 1 digit, but it was really tiring to read thousands of articles a day, and it was too much trouble to read one by one, so I used small words later.