Or, just print the PDF on demand, then delete the file immediately.
或者，仅仅在需要的时候打印成PDF文件，然后立即删除。
2
You can still file DMCA notices, send cease and desist letters and demand licensing for your work.
但你仍然可以依据数字千年保护法案，要求未经许可，不得传播你的作品。
3
When the administrator selected the queue managers of interest and clicked the Submit button, the CGI scripts built a CCDT file on demand and downloaded it to the administrator's browser.