老美对刚成年（18-20）的人办信用卡也很警惕，例外是父母做 cosigner 或者本人已经有点收入的情况，只是本科留学生通常可以使用签证材料和账户余额 skip 掉这个限制。别问，问就是已经被学校和领馆验过资了
延伸阅读:
https://www.nerdwallet.com/article/credit-cards/how-old-apply-for-a-credit-card
https://www.nerdwallet.com/article/credit-cards/report-income-credit-card-application
https://t.me/LetITFlyW/s/46
NerdWallet
How Old Do You Have to Be to Apply for a Credit Card?You have to be at least 18 years old to apply for a credit card, technically. But for most people, the answer is that you probably have to be 21 or older.
