opt-in

基本解釋

This means more retailers are sending at least one email in the crucial first 30 days after opt-in.
這就意味著越來越多的零售商在客戶選擇性加入後的至關(guān)重要的30天內(nèi)至少會(huì)發(fā)出一封郵件。
In this application, the system first sends out an opt-in request notification to users it finds, asking for their communication data upload.
在此應(yīng)用程序中，系統(tǒng)首先曏找到的用戶發(fā)送 opt-in 請(qǐng)求通知，請(qǐng)他們上傳通訊數(shù)據(jù)。
Latitude is a similar opt-in service to My Location, except it allows you to share locations between friends based on your mobile phone or desktop location.
是一個(gè)與我的位置相似的服務(wù)，衹不過它是允許你在你的朋友間分享你基於移動(dòng)電話或者桌麪電腦的位置。

Hopefully, if you opt-in for this tablet, you can live with that permanent application load.
ENGADGET: Samsung Galaxy Tab 2 7.0 review
"Opt-in is really the most burdensome privacy restriction that we implement in the U.S., " Zanneis says.
FORBES
After a few weeks, YesMail agreed to the stricter double opt-in rule and dropped its suit.
FORBES: Spam Warfare