| 单词 | chip and pin |
| 释义 | chip and PINuncountable noun [oft NOUN noun] Chip and PIN is a method of paying for goods you have bought by using both a bank card and a PIN number. IT engineers traced the problem to a chip and PIN system that was not properly connected. chip and PIN in British Englishnoun a. a system for processing credit cards requiring the customer to enter a unique identification number instead of a signature to authorize a payment b. (as modifier) chip and PIN transactions Word origin C21: chip (sense 8) + PIN |
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