At the mall, on the subway, or restaurant, everywhere we can see qr code, it is ok to scan for coupons or to participate in the sweepstakes, this is many businesses develop WeChat idiomatic way.

在商场，在地铁上，亦或是餐厅，我们到处都能看到二维码，扫描一下就可以获得优惠券或是参加抽奖活动，这是很多商家开展微信营销的惯用方式。

youdao

At the mall, on the subway, or restaurant, everywhere we can see qr code, it is ok to scan for coupons or to participate in the sweepstakes, this is many businesses develop WeChat idiomatic way.

在商场，在地铁上，亦或是餐厅，我们到处都能看到二维码，扫描一下就可以获得优惠券或是参加抽奖活动，这是很多商家开展微信营销的惯用方式。

youdao