Unverified50% confidenceFactExact time
信用卡网络每笔交易通常收取2-3%手续费加0.1-0.3美元固定费用，使得低于约0.5美元的交易在经济上不可行
1
Sources
50%
Confidence
Long-term
Relevance
8/22/2026
First Seen
Sources
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