我似乎记得,在通过“文件 > 导出草稿 PDF”时,有一种方法可以保留中间文件。经过一番尝试,我发现需要在“导出草稿为 PDF”对话框中点击“确定”时按住 Ctrl 键。
下次我在这个支持网站上搜索相关内容时,应该就能找到这篇帖子了…… 
I seemed to recall that there was a way to keep or preserve the intermediate files when you File > Export Draft PDF. With a little playing around I seem to have discovered that you have to hold down the Ctrl key when you click the OK on the Export draft to PDF dialog.
And next time I search for that on this support site, I will find this post… 
机器翻译自 English