求翻译：績效評核也是員工和主管的雙向溝通工具，藉由評核溝通彼此對績效的落差和期待，討論員工未來發展，及主管對員工改善的建議。是什么意思？

Performance assessment is a two-way communication between employees and supervisors tools to communicate with each other by assessing the performance gap and expectations , to discuss the future development of the staff , and the staff in charge of suggestions for improvement.

The achievements rating is also the bidirectional communication tool of staff and manager, because of the rating communication each other to the dropping variance and anticipation of achievements, discussed that the staff development trend, and manager to the suggestion that the staff will improve.

The achievements rating also is the staff and manager's bidirectional communication tool, communicates each other because of the rating to the achievements dropping variance and the anticipation, will discuss the staff future to develop, and the manager the suggestion which will improve to the staff

Performance appraisal employee and supervisor of a two-way communication tool, through assessing communication gap on performance and look forward to each other, discuss future development of staff, and supervisor on employee suggestions for improvements.

正在翻译，请等待...