地震经常发生，这些天你可能会听说在吉林省松原的地震。
Earthquakes often happen and you may hear about the earthquake in Songyuan of Jilin Province these days.
有时，你可能会听说哪个公司是公有的，那意思是说这个公司的股票是上市发行的，所有的持股人都拥有这个公司的股权。
Sometimes, you may hear that a company is public, which means the company offers their stocks in the stock market. All the shareholders own the company.
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