3 sentences

1. 决定权在你。

   jué​dìng​quán zài nǐ.

   The decision is yours.

   Source: OpenSubtitles

2. 他在这个项目中拥有最终决定权。

   tā zài zhè gè xiàng​mù zhōng yōng​yǒu zuì​zhōng jué​dìng​quán.

   He has the final say in this project.

   Source: Dong Chinese Dictionary

3. 族长在家族会议上拥有最终决定权。

   zú​zhǎng zài jiā​zú huì​yì shàng yōng​yǒu zuì​zhōng jué​dìng​quán.

   The clan patriarch has the final decision-making power at family meetings.

   Source: Dong Chinese Dictionary