这不同于普通股票，因为普通股票的股利是永远没有保证的。
This is different from common stock because common stock's dividend is never guaranteed.
公司可以发行两种类型的股票：普通股和优先股。
Corporations may issues two type of stock: common stock and preferred.
公司可以发行两种类型的股票：普通股和优先股。
Corporations may issues two type of stock: common stock and preferred.
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