We can pay money by scanning QR codes in many shops.
我们可以在许多商店通过扫描二维码付款。
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Visitors must show their health QR codes and check their temperature before they go into the museum.
参观者在进入博物馆前必须出示健康码并测体温。
QR codes have other drawbacks.
此外，二维码还有其他不足之处。
Rio de Janeiro is adding something new into its trademark black-and-white mosaic pavements: QR codes.
BBC: Rio de Janeiro brings QR codes to its streets
In Leicester QR codes are being used to promote the cultural quarter and National Space Centre.
BBC: Visit England pilots QR technology for tourism
For example, we incorporated QR codes into our print advertisements and signage at counter.
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