请换些美钞。
Is there a chance that greenbacks are disappearing?
有机会让美元消失吗？
There were some loose bills in his vest pocket — greenbacks.
在他的西装背心口袋里有些零碎票子——绿颜色的美钞。
Some people are green with envy because a friend has more dollars or greenbacks.
有些人眼红朋友美元多，或者说是美钞多。
Some people are green with envy because a friend has more dollars or greenbacks.
有些人眼红朋友美元多，或者说是美钞多。
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