zài / gòu / mǎi / yōu / xiān / gǔ / zhī / qián / tóu / zī / zhě / yīng / zǐ / xì / liǎo / jiě / xiāng / guān / fēng / xiǎn

在购买优先股之前，投资者应仔细了解相关风险。

Before buying preferred stock, investors should carefully understand the related risks.