英语翻译SIS正在和他们的财务部门协商此事,但SIS公司的项目经理认为,这种可能性不大,因为年底他们的财务部门已经封帐了

SIS is consulting with their financial department on this issue, but the project manager of SIS reckons the possibility of success not too high, because the financial department has already finalized all the works on their accounts at the end of this year.

SIS is discussing this matter with their Financial Department. But the project manager of SIS believed it is not feasible because the Financial Department already closed their books at the end of the year.

SIS is negotiating with the financial department about this issue.
But the project manager of SIS'company think that the likelihood is very less bacause their financial department has frozen their account at the end of the year.