所以，如果你还没有激活你的经济学家在线账户，你或许可以现在就激活它，以确保你能在周五这个应用上线之时就可以立即使用。

So if you have not already activated your Economist online account you may wish to activate it now to ensure that you will have immediate access via the apps when they launch on Friday.

youdao

您将收到您提供的地址包含一个账户激活链接的电子邮件。

You will receive ane-mail at the address you provide that contains an account activation link.

youdao

输入的用户名没有激活状态的魔戒账户，请尝试另外的用户名。

The username entered does not have an active "LOTRO" subscription. Please try another username.

youdao

But just realize as a teaser coming for problem set 1 will be instructions on how to activate your so called cloud account and it's on the CS50 cloud that you'll be writing your programs, compiling your programs, testing your programs, running your websites ultimately.

如果大家觉得难的话,习题集1上有一些说明，教你如何,激活你的云账户,因为你们只有在CS50云上才能编写程序，编译，检测，并最终运行。

哈佛公开课 - 计算机科学课程节选