不幸的是，它不能作为过滤器工作，因为它不知道如何处理CUPS过滤器必须处理的参数：作业id、用户、作业标题、拷贝数量和作业选项。
Unfortunately, it won't work as a filter because it does not know how to handle the arguments that a CUPS filter must handle, namely, job id, user, job title, number of copies, and job options.
一个老师让二年级学生写一个作业，标题是“感恩节我为什么而感恩？”
A teacher gave her students of second grade to write an assignment on 'What I'm thankful for on Thanksgiving?
影片作业的拍摄长度应达到3 - 5分钟，片头加标题，片尾加姓名。
Assignment tapes should be from 3-5 minutes in length and have a title at the head and your name at the end.
影片作业的拍摄长度应达到3 - 5分钟，片头加标题，片尾加姓名。
Assignment tapes should be from 3-5 minutes in length and have a title at the head and your name at the end.
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