To experience this famous building, you just need your smartphone and an American one dollar bill.

想体验白宫大楼，你只需要智能手机在手，再加上1美元纸币就可以了。

Is there someone in the audience who would let me who would trust me with a real one dollar bill?

在座各位谁愿意 借一张一美元钞票给我吗？

We need to tell everybody to bring one dollar bills and five dollar bills so that they can pay the cabs.

我们要跟其他人说，让她们准备一美元纸币和五美元纸币，用来付打车钱。

The bald eagle also appears, more importantly, on billions of one dollar bills that are in circulation or use.

更重要的是，白头鹰还出现在流通或使用的数十亿张一美元钞票上。

He's giving her " 300 dollars in 20's." Notice we use the plural here, 20's; it means 20 dollar bills;" 150 dollars in tens, " ten dollar bills;" 45 dollars in fives, " five dollar bills; " and ones, " one dollar bills.

他给了她“20 美元 300 美元” 。 注意我们在这里使用复数形式，20's； 它表示 20 美元钞票； “150 美元十张” ，“十美元钞票” ； “45 美元五张” ，五美元钞票；“和那些， ” 一美元的钞票。

So, he asks Sandra if she wants " large or small bills." Large means, of course, that the bill would be worth a lot of money, so a hundred dollar bill is a large bill and one dollar bill is a small bill.

所以，他问桑德拉她想要“大钞票还是小钞票”。 当然，大钞票意味着这张钞票值很多钱，所以一百美元的钞票是大钞票， 一美元的钞票是小钞票。