Depending on your market segment, brand, and especially your location, walk-in sales can represent a significant source of additional revenue.

取决于你所在酒店的市场定位和品牌，尤其是地理位置，上门客带来的销售将会占绝一个相当大的比例。

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If Sina is able to capture even a small percentage of that market, it could be a significant source of additional revenue.

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Successful people will likely pay a large part of the price, as they are the largest potential source of additional government revenue.

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Selling branded toys and merchandise based on its very popular titles could open up an additional source of revenue, and help Zynga reduce its dependence on Facebook.

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