She had to make a split-second decision.

她必须在瞬间作出决定。

《牛津词典》

Whenplanning your wedding, there will be times when you need to make split-second decision.

计划你的婚礼时，有时候需要你做出一些决定。

youdao

Whenplanning your wedding, there will be times when you need to make split-second decision.

计划你的婚礼时，有时候需要你做出一些决定。

youdao