So, before signing on the dotted line, take two or three courses, from different professors, that start with a high number (300, 400, 3000, 4000, or whatever it is at your school).
所以，在虚线上签名前，一定要选修不同教授的两门或三门课程，他们的课程编号很高(300,400,3000,4000或是别的什么)。
So, before signing on the dotted line, take two or three courses, from different professors, that start with a high number.
所以，在虚线上签名前，一定要选修不同教授的两门或三门课程，他们的课程编号很高。
To recognise my direction, her signing pen gives a line on my ticket.
列车员用签字笔，在车票正面划了一道。
Not all Android vendors are signing on the IP (intellectual property) dotted line, however.
并非所有的厂商都对Android的IP（知识产权）虚线签约，但是。
Not all Android vendors are signing on the IP (intellectual property) dotted line, however.
并非所有的厂商都对Android的IP（知识产权）虚线签约，但是。
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