原因之一是商户必须升级收银系统来处理这种芯片信用卡。因为成本的关系，大多数美国零售商都还没有这么做。

That is partly because merchants must upgrade their cash-register systems to handle the chip-based CARDS. Most U. s. retailers haven't done so because of costs.

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然而，由于国外的商户往往坚持要求消费者使用芯片信用卡，踏出国门的美国消费者在外国使用传统信用卡时遇到的问题日益增多。

But U. s. customers who travel abroad have increasingly run into problems using their traditional credit CARDS with foreign merchants, who often insist on using chip-based CARDS.

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手机芯片的安全新比信用卡要好，他如此说道。

Secure chips in handsets thwart fraud better than credit cards, he contended.

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