你输入你的邮箱地址，以便下载免费的电子书…但是你也将订阅每周邮件更新。

You enter your email address to download a free e-book... but you're also subscribing to weekly email updates.

youdao

有不少定期更新的网站(如博客)供你“订阅”(完全免费)内容。

You can "subscribe" (it's free) to the content from many regularly-updated sites, like blogs.

youdao

上面罗列的定期更新。免费电子邮件和RSS提醒订阅也是可定期电子上面用的。

These lists are updated regularly. Free email and RSS notification subscriptions are available.

youdao