In fact, usually the system blocks anyone trying to sign up for a class they shouldn't be taking, who hasn't taken the courses you are required to do first as prerequisites.

事实上，这个系统通常会阻止任何想要注册他们不应该选的课程的人，也就是那些没有选必选先修课程的学生。

youdao

Paul's been taking 5 courses, but he's decided to drop one of them at the end of this semester.

保罗修了五门课，但是他决定在这个学期结束时放弃其中的一门。

youdao

In Europe, more than 140,000 students participate in the Erasmus program each year, taking courses for credit in one of 2,200 participating institutions across the continent.

在欧洲，每年有超过14万名学生参加伊拉斯谟项目，他们在欧洲大陆的2200所参与机构之一修读了学分课程。

youdao

In June,students at the Agroecology Summer Intensive Program begin taking courses like Introduction to Soils.

VOA: special.2009.04.14

Some people prefer only taking the courses that they want to take. What do you think of that?

一些人只愿意学习他们喜欢的课程。你对此怎么看？

介绍好朋友 - SpeakingMax英语口语达人

"And in many cases these courses went too far, I would say, towards the fluffy treatment of serious material, and students could satisfy their requirement by taking such courses."

VOA: special.2009.10.22

The golf course business has been in a tailspin the past five years as the market for second homes on golf courses collapsed with the recession taking courses down with them (see graphic below).

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Few of the consulting companies offer introductory courses online making it even more accessible, but I recommend taking the hands-on courses face-to-face with other participants to make the learning experience real life and pertinent to your current business environment.

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As long as overall numbers stay within planned levels, it may well turn a blind eye to universities that decide to increase student numbers taking the most popular courses.

ECONOMIST: The birth pangs of a market in higher education