newegg 下单的时候有下面这段，默认选项是 I agree, 我没有细看，就把x去掉了，这
样是不是就没有CB了？
Please send my email and information about my qualifying purchase to
Microsoft in order to provide me information about receiving cashback
savings. This purchase information might be used to personalize my online
experiences. Microsoft will treat my information in keeping with the
Microsoft Online Privacy Statement. A waiting period (of up to 60 days)
applies to payout. I understand that I will not be eligible for cashback
savings if th
