身边的经济学·社会常识英语30篇（4）
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How Platforms Take a Cut
平台如何收取佣金
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Online platforms connect buyers and sellers every day.
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They charge a small fee from each transaction they help complete.
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This fee is called a 'platform commission' or 'take rate'.
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The platform earns money only when both sides use its service.
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Higher fees can push sellers to leave for other options.
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But lower fees may reduce platform investment in safety tools.
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Both users and sellers influence how much the platform can charge.
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This balance makes platforms a classic 'two-sided market'.