sign out例句

I'm so sorry, but you should have a sign out there or something.
实在对不起, 可你们应该在那儿或者什么地方写明白.

Based on the Photos , how would you sign out the case?
基于这些图片; 您如何签发这个病案.

Most of the students in our class sign out on Friday.
我班大部分学生登记星期五离校.