2 sentences for 度 (dù — occurrence)

1. 一年一度的音乐节吸引了很多人。

   yī nián yī dù de yīn​yuè​jié xī​yǐn le hěn​duō rén.

   The annual music festival attracts many people.

   Source: Dong Chinese Dictionary

2. 该市正在筹备一年一度的国际文化节。

   gāi shì zhèng​zài chóu​bèi yī nián yī dù de guó​jì wén​huà​jié.

   The city is preparing for its annual international cultural festival.

   Source: Dong Chinese Dictionary