Usages of khóa thẻ
Ngân hàng khóa thẻ vì rủi ro.
The bank blocks the card because of the risk.
Tôi gọi dịch vụ khách hàng để khóa thẻ.
I call customer service to block the card.
Dù không thấy gian lận, tôi cũng khóa thẻ.
Even if I do not see fraud, I still block the card.
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