AmEx Platinum 信用卡有多个版本，现在还能申请的主要有以下3种：
You may not be eligible to receive a welcome offer if you have or have had this Card, the Platinum Card® from American Express Exclusively for Charles Schwab, the Platinum Card® from American Express Exclusively for Morgan Stanley or previous versions of these Cards. You also may not be eligible to receive a welcome offer based on various factors, such as your history with credit card balance transfers, your history as an American Express Card Member, the number of credit cards that you have opened and closed and other factors. If you are not eligible for a welcome offer, we will notify you prior to processing your application so you have the option to withdraw your application.
HT: 美卡论坛 YCJHUO。