sign up

基本解释

We had to create a whole corporate structure. We’d sign up with one company, and they’d route us to a completely different organization.
我们不得不建立整套公司结构，我们要和一家公司签合同，接着他们会把我们转到另外一个完全不同的组织。
We have built enough liveboards to permit casual use: they have been placed in ordinary conference rooms and open areas, and no one need sign up or give advance notice before using them.
我们已经构建了足够多的现场板允许偶尔使用：他们被放置于普通的会议室和开放区域，在使用前不需要签名或者提前予以注意。
But customers who sign up for this are actually enrolling in a program that charges them $14.95 a month for what are supposed to be discounts on amusement parks and movies, among other things.
但那些签单的客户实际上却是注册了一个每月向他们收费14.95美元的项目，注册这个项目可以在他们去游乐园、看电影或参加其他活动时享受到折扣价。

Immortal Technique is a popular artist who has ignored requests to sign up with large companies to produce his music.
And also, for those of you that did sign up for the pizza forum tonight, that's going to be at 5 o'clock, it's in room 56-502, so we'll see some of you tonight for that as well.
另外，对于报名参加,今晚的披萨聚会的同学，请注意聚会的时间是五点整，地点在，56-502，房间，因此，我们在今晚还会见到你们中的部分同学。
麻省理工公开课 - 化学原理课程节选
And that's where like, in Phase One, you can only sign up for 10 units worth of classes.
比如说，在第一阶段，你只能报10个学分的课程。
关于授课系统 - SpeakingMax英语口语达人

If you sign up for an organization or if an organization signs you up, you sign a contract officially agreeing to do a job or course of study.