pay by cash

基本解释

Can the price be less if I pay by cash?
如果我付现金的话能够便宜一些吗?
Because credit-card merchant fees are high, some stores will even give a 3% discount if you pay by cash instead.
因为商户们需要支付的信用卡费很高，所以如果你用现金付钱的话，可能还会给你3%的折扣。
Retailers grumble that the charges inflate their costs, which they are forced to pass on to consumers—even those who choose to pay by cash.
零售商抱怨这项费用增加了他们的成本，而这成本会转嫁到消费者身上——即便是那些选择现金支付的消费者。

Books are delivered by moped, and most customers pay by cash.
FORBES: Commentary
Instead of opening wallets in shops and being confronted with a choice of whether to pay by cash or plastic card, they will wave a phone at the checkout.
ECONOMIST: Consumer banking
Additional transactions are expected to come from the recently released device PayPal Here, which enables merchants to let shoppers pay by card instead of cash.
FORBES: eBay Is Charged For $50 With PayPal's Discover Partnership