Both the valet key and ATM CARDS are good metaphors for OAuth from a user perspective.

无论是仆从钥匙或者ATM卡，从用户角度来看都是对OAuth很好的比喻。

youdao

In a lot of places in Asia, ATM machines are hard to come by and may not accept all ATM CARDS.

在亚洲的很多地方，自动取款机并不是总能与你擦肩而过，而且也并非你所有的卡都可以在这些自动取款机上使用。

youdao

ATM CARDS in almost everyone's pocket, have become an integral part of life for many Singaporeans.

在街头巷尾设立提款机，人手一卡，成为众多新加坡人生活中不可欠缺的一部分。

youdao

The global popularity of ATM cards has also helped ensure people never leave home without one.

CNN: ASIANOW - Asiaweek

Only just a couple of years ago the shrewdest way to travel was to use ATM cards abroad.

FORBES: Prudent Traveler

That was when credit, debit and ATM cards immediately came to mind.

BBC: New Mastercard has LCD screen and keyboard