3 sentences

1. 他经常去欧洲出差。

   tā jīng​cháng qù ōu zhōu chū​chāi.

   He often goes to Europe on business.

   Source: Dong Chinese Dictionary

2. 中欧贸易往来日益频繁。

   Zhōng ōu mào​yì wǎng​lái rì​yì pín​fán.

   Trade between China and Europe is becoming increasingly frequent.

   Source: Dong Chinese Dictionary

3. 欧先生是这家公司的技术总监。

   ōu xiān​sheng shì zhè jiā gōng​sī de jì​shù zǒng​jiān.

   Mr. Ou is the technical director of this company.

   Source: Dong Chinese Dictionary