指一家公司收购比自己规模大的公司，或未上市的公司收购已上市的公司。

It refers that a company takes over a larger concern or an unlisted company takes over a listed concern.

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指一家公司以现金、股票或两者混合的方式以达到控制另一家公司的经营权。

The purchase of a company through cash, stocks or both by another company in order to control the target company's business.

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市场份额是指一家公司提供的商品或服务等占行业销售的该商品或服务的比例。

Market share is the proportion of sales of a good or service provided by one company to the industry sales of such good or service.

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You have what are called stubs, where one public company owns a significant stake . in another public company.

假如你持有所谓的票根，它是指一家上市公司在另一家上市公司中所,持有的相当比例的股份。

耶鲁公开课 - 金融市场课程节选