我看到过一些信用卡广告里面人们在绿色田野中嬉闹。

I've seen a few credit card advertisements with people frolicking in green fields.

youdao

在有些情况下，一些信用卡公司将需要一个初步平衡转移随着申请卡。

In some instances, some credit card companies will require an initial balance transfer along with the application for the card.

youdao

你将需要一些当地的货币现金，但也可使用信用卡。

You'll need some cash in local currency but you can also use your credit card.

《牛津词典》

But in society today, and we'll talk a bit about security topics -- and such throughout the course, for cryptography -- for encrypting things like your credit card information and bank accounts -- you don't use 32 bits, you don't use 64 bits, you generally use 1024 bits, 4,048 bits.

但在当今的社会上，我们将讨论一点安全方面的知识,贯穿整个课程，密码学-,加密一些像信用卡信息,银行账号之类的东西--你不能用32位，你也不能用64位，你通常要使用1024位，4048位。

哈佛公开课 - 计算机科学课程节选