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。
Sign up for a stand-up comedy class.
报一个喜剧班。
So she didn't even sign up for a tour.
所以她甚至都没有登记来参观这个幼儿园。
Wired: Who would sign up for a mission with no return?
连线杂志：谁会参加这样一项有去无回的任务？
Sign up for a group exercise class at a nearby fitness club.
参加你家附近的健身俱乐部的操课。
It might seem obvious, but join a club or sign up for a class.
这一点似乎是明显的，加入一个俱乐部或者报名参加一个培训班。
Rule Six: Don’t sign up for a sequel without your original co-star.
规则六：不要在你的老搭档不在的情况下接一部续集。
If you're desperate for money, make sure you sign up for a short study.
如果你急需用钱，要确保你签约参加的是一个短期的研究。
It's difficult to reach you. Why don't you sign up for a call waiting service?
要跟你通话真不容易呀，不如申请通话中接听服务吧。
In this process, customers sign up for a policy with the help of a Safeco agent.
在这个流程中，客户首先在Safeco代理处登记并取得保单。
Enterprises will sign up for a free, 14-day trial of the Box.net Business Edition.
参赛公司在注册后可以免费试用Box.net商业版产品，试用期14天。
Sign up for a website that craves your personal information, then do something stupid?
注册了可能泄露个人信息的网站，是你的错吗？
Whether you're enrolled in college or not, sign up for a fitness and/or nutrition class.
不管你是不是大学生，报个健身班或营养班。
If you don't have access to LotusLive, you can sign up for a free trial of LotusLive Engage.
如果您不具备对LotusLive的访问权，可以注册以免费试用LotusLiveEngage。
Do you want visitors to read and subscribe to a blog, buy a product or sign up for a service?
你希望访客阅读你的博客，购买产品或者注册一项服务吗？
The paper also says that consumers will need more incentives to sign up for a new service or product.
文章还指出，消费者将需要更多的注册新服务或产品的诱因。
Developers can sign up for a beta run of Rhomobile's new RhoHub service. Adam explains what RhoHub does.
开发者可以预定Rhomobile新的RhoHubservice的be ta版。
If you've got a thing for dead coral, however, please feel free to sign up for a glass bottomed boat ride.
然而，如果你是为了死珊瑚的东西，别客气，报名参加乘坐一只玻璃底的船吧。
You can sign up for a free Individual account, or a fee-based Commercial account, depending on your needs.
根据您的需要，您可以注册免费的个人帐户，或付费的商业帐户。
Users will need to sign up for a two-year service contract with a data plan and pay $199.99 for the first device.
顾客需要为自己购买的第一台设备签一个为期两年的数据服务合同并支付199.99美元。
When you sign up for a GAE account, you automatically get 200 indexes for free; beyond that, there is a price.
在您注册GAE帐号时，您将自动免费获得 200条索引；除此之外，都要付费。
Description: Sign up for a free account, then punch your credentials into both the Android client and your browser.
说明：注册一个免费帐户，然后同时把用户名和密码输进Android手机和电脑的浏览器里。
We all know people who sign up for a 12-month gym membership- in January—and give up their fitness regimes by March.
我们都知道一月份参加了一年健身馆会员的人，到三月份就会放弃他们的健身之道。
Sign Up for a Race – The best thing anyone can do in most life aspects is committing to a specific event/responsibility.
参加比赛 ——在生活大多时候，人一旦参与到某项具体事情或者承担某项责任时就会表现出最好的一面。
Pilots are also able to sign up for a voluntary intensive program that is held at the Federal Law Enforcement Training Center.
飞行员也可以参加在联邦执法训练中心举办的志愿加强项目的训练。
And don't worry; you don't have to run five miles to reach the "happy place." Instead, sign up for a Yoga class to relieve stress.
不用担心，不是非得跑个五英里才能产生这种令人愉快的物质，通过上瑜伽课就可以达到缓解压力的目的了。
The plan faces its first big test this month: uninsured residents must sign up for a health plan by the end of the year or be fined.
本月，全民健康保险方案面临首次大规模的检验：未参保的居民在年末必须报名参与医保方案，否则将面临罚款。
The plan faces its first big test this month: uninsured residents must sign up for a health plan by the end of the year or be fined.
本月，全民健康保险方案面临首次大规模的检验：未参保的居民在年末必须报名参与医保方案，否则将面临罚款。
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