4 sentences

1. 他购买战争债券。

   tā gòu​mǎi zhàn​zhēng zhài​quàn.

   He buys war bonds.

   Source: OpenSubtitles

2. 这些债券可以由发行公司在五年后买回。

   zhè​xiē zhài​quàn kě​yǐ yóu fā​xíng gōng​sī zài wǔ nián hòu mǎi​huí.

   These bonds can be repurchased by the issuing company after five years.

   Source: Dong Chinese Dictionary

3. 债券发行人必须按时向投资者支付利息。

   zhài​quàn fā​xíng​rén bì​xū àn​shí xiàng tóu​zī​zhě zhī​fù lì​xī.

   Bond issuers must pay interest to investors on time.

   Source: Dong Chinese Dictionary

4. 投资者可以通过购买政府债券来获得稳定的收益。

   tóu​zī zhě kě​yǐ tōng​guò gòu​mǎi zhèng​fǔ zhài​quàn lái huò​dé wěn​dìng de shōu​yì.

   Investors can obtain steady returns by purchasing government bonds.

   Source: Dong Chinese Dictionary