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://www.tg-me.com/us/LetITFly News/com.LetITFlyW/s/46
BY LetITFly News
To pay the bills, Mr. Durov is issuing investors $1 billion to $1.5 billion of company debt, with the promise of discounted equity if the company eventually goes public, the people briefed on the plans said. He has also announced plans to start selling ads in public Telegram channels as soon as later this year, as well as offering other premium services for businesses and users.
In many cases, the content resembled that of the marketplaces found on the dark web, a group of hidden websites that are popular among hackers and accessed using specific anonymising software.“We have recently been witnessing a 100 per cent-plus rise in Telegram usage by cybercriminals,” said Tal Samra, cyber threat analyst at Cyberint.The rise in nefarious activity comes as users flocked to the encrypted chat app earlier this year after changes to the privacy policy of Facebook-owned rival WhatsApp prompted many to seek out alternatives.LetITFly News from us