求一个英语解释 为什么刷卡比现金更省钱 刷卡或现金用英语忘么写?

\u6c42\u4e00\u4e2a\u82f1\u8bed\u89e3\u91ca \u4e3a\u4ec0\u4e48\u7528\u73b0\u91d1\u6bd4\u5237\u5361\u66f4\u7701\u94b1\u5462

There is no free lunch in the world.when you use credit card you will pay for it indirectly,such as you must pay for the interests.

\u5237\u5361\uff1aswing card
\u4fe1\u7528\u5361\uff1acredit card
\u73b0\u91d1\uff1acash
\u5237\u5361\u6216\u73b0\u91d1\uff1aswing card or cash \u6216\u8005\u662f credit card or cash

英语解释： 为什么刷卡比付现金更省钱，
英语解释：
credit card payment is more convenient than paying by cash. And also it saves you money because the company issued your credit card offers you some discount and bonus points.

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