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

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。

youdao

All you have to do is go to Instapaper's Kindle Settings and enter your Kindle's email address, and set the delivery schedule; daily or weekly.

你所要做的就是设置Instapaper的投递方案，每天投递或者每周投递。

youdao

"You will be asked for your patience, for the conflict will not be short, " Bush said in his weekly radio address on Saturday.

FORBES: The Weekend After