并且，自然也存在有盈利模式，其基础在于：我们提供了一项服务或者一个产品，你之所以要付费是因为你喜欢它，又或者广告主会给我们支付费用，又或者是其他的津贴办法。

And of course there is the for-profit model, which basically is: we provide a service or a product and you pay us because you like it or advertisers pay us or some subsidy method.

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非洲裔美国人比白人更喜欢已开发的设施和服务；白人相较于黑人更喜欢未开发和更多以自然为基础的环境。

African Americans, more than Whites, prefer developed facilities and services; Whites more likely than Blacks prefer undeveloped and more nature-based Settings.

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