And if you complete every class, you'll get a 50% refund.

如果你完成了每节课程的话，可以获得50％的退款呢。

They must have completed some college classes, but a degree is not required.

他们必须完成一些大学课程，但不需要学位。

Career or technical certificates permit students to immediately enter the workforce upon completing the classes.

职业或技术证书允许学生在完成课程后立即进入职场。

It is often a piece of paper that shows a person completed classes or passed a test.

这里certificate通常是一张纸，显示一个人完成了课程或通过了测试。

After she completed a yearlong class in math to improve her teaching, she finally started to understand how to teach the subject.

在完成了为期一年的数学课以提高教学水平后，她终于开始了解如何教授这门学科。

While creating the system, developers spoke with individuals who had completed job training classes offered by Google and were actively looking for work.

在创建该系统时，开发人员与完成了谷歌提供的工作培训课程并积极寻找工作的人进行了交谈。

The trainees recently completed a six-month language and culture class in Hanoi, they will spend the next two years in an occupational training program.

受训者最近在河内完成了6个月的语言和文化课程，他们准备未来两年进行职业培训项目。

So you need to sign up by the 1st of November and complete all the classes in the Challenge within seven weeks from the day that you sign up.

因此，你需要在11月1日之前注册，并从您注册之日起，在七个星期内完成挑战的所有课程。