请问since在这个句子中如何翻译?

题目

请问since在这个句子中如何翻译?
Could you pls check this file? Because the we can't change it since it is combine with the reference file compare.,
请问这句话如何翻译? since 是什么词?在这句话中是什么意思?

答案

Could you pls check this file?Because the we can't change it since it is combine with the reference file compare.,
你能请检查这个文件吗?因为我们不能改变它,因为它是结合参考文件比较.
since 自…以来；自…以