You have a business that generates excess cash. Now, either you milk the cow, or you sell the cow to someone else.

你有了这样一个可以产生额外现金的生意，你可以选择挤牛奶，也可以选择把它卖给别人。

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You'll be rich soon, because that kind of business is a real cash cow.

你就快发了，那种生意可真是摇钱树呢。

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At the same time, he said, CNN still cannot afford to ignore that its television business remains the company's cash cow.

同时他还说，电视业务仍然是CNN的摇钱树，忽略这一点会是该公司不可承受之重。

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"Not only does Tencent have a cash cow in its strong gaming business, but the company is also best-positioned in high-potential markets like social media and mobile Internet services, " said Jefferies analyst Cynthia Meng, who has a buy rating on Tencent's stock.

WSJ: China's Tencent Outperforms Its Western Peers

Meanwhile, the company's traditional, lower-end cellphone business, a steady cash cow in high-growth emerging markets, is under growing threat from less-expensive Asian handsets.

WSJ: Nokia Considers Adopting Microsoft Phone Platforms

That is thanks mainly to the cement business, which is a sturdy cash cow.

ECONOMIST: Votorantim