In case the card doesn't work, you should contact technical department of this company and ask sb. professional to repair. Do not dismember it by yourself!

当卡出现故障时，应由专业人员进行维修，或联系本公司技术部门解决问题，切不可自行拆卡。

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It's + adj. + to do sth. ask sb. about sth. by doing STH. What's your favorite......? The best way to do STH.

做某事的……的。向某人询问某事通过做某事你最喜爱的……是什么？做某事的最好方式。

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