They were told they could only give an overall rating of “1” or “5” if they had “substantial” documentation to back it up.Percy had never given one of these ratings he wasn't diligent about recording specific incidents in employee file; He believed it was just too time-consuming to write up all of the documentation necessary to justify such a rating. There were a couple of employees in his department who deserved a “5” rating, in Percy's opinion, but so far no one had complained about the appraisals they received from Percy.
麻烦一下,请表用翻译软件。我平时也用google翻译的