这些好处是附带着成本和责任的。
该特性是数据库服务器附带的,没有额外成本。
This feature is included with the database server at no extra cost.
如果这家咖啡店不愿意承担提供无线上网服务附带的机会成本,那么,它是否应该提供该项服务呢?
Should the coffee shop offer wireless Internet access if it isn't willing to accept the opportunity cost associated with it?
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