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.
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.
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.
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.
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