3 sentences

1. 这不是什么国家安全问题。

   zhè bù shì shén​me guó​jiā ān​quán wèn​tí.

   It's not a matter of national security.

   Source: OpenSubtitles

2. 议会正在针对网络安全问题立法。

   yì​huì zhèng​zài zhēn​duì Wǎng​luò ān​quán wèn​tí lì​fǎ.

   The parliament is legislating on cybersecurity issues.

   Source: Dong Chinese Dictionary

3. 许多国家都在讨论核子能源的安全问题。

   xǔ​duō guó​jiā dōu zài tǎo​lùn hé​zǐ néng​yuán de ān​quán wèn​tí.

   Many countries are discussing the safety issues of nuclear energy.

   Source: Dong Chinese Dictionary