backing card
常见例句
- Michael peels the backing off the credit card leaving only a piece of white plastic with a magnetic strip.
Michael剥开卡的背面，原来那卡只是一张白色带着磁条的塑料卡。 - The debt ceiling vote is a Republican trump card that has the backing of American voters.
FORBES: Debt Ceiling Vote Is Republican Leverage For Budget Reform 返回 backing card