3 sentences

1. 日本的外务省负责外交事务。

   Rì​běn de wài​wù shěng fù​zé wài​jiāo shì​wù.

   Japan's Ministry of Foreign Affairs is responsible for diplomatic affairs.

   Source: Dong Chinese Dictionary

2. 这种外交事务通常需要部长亲自出面。

   zhè zhǒng wài​jiāo shì​wù tōng​cháng xū​yào bù​zhǎng qīn​zì chū​miàn.

   This kind of diplomatic matter usually requires the minister to intervene personally.

   Source: Dong Chinese Dictionary

3. 处理此类外交事务时，必须考虑其政治敏感性。

   chǔ​lǐ cǐ lèi wài​jiāo shì​wù shí, bì​xū kǎo​lǜ qí zhèng​zhì mǐn​gǎn​xìng.

   Political sensitivity must be considered when handling such diplomatic matters.

   Source: Dong Chinese Dictionary