大事比赛项目用英文怎么说

"Big event competition project" in Engpsh can be referred to as "major event competition project". This phrase comes from the context of sports, business or other activities where a major event is organized and multiple teams or individuals compete against each other to achieve a certain goal or win a prize.

For example:

The major event competition project for the city's marathon attracted thousands of runners from all over the world.
The company's major event competition project for the new product launch was a huge success.

一些例句及其中文翻译：

城市马拉松的大事比赛项目吸引了来自世界各地的数千名跑步者。
公司新产品发布的大事比赛项目取得了巨大成功。