Definition
- B1
Refers to an unspecified time in the future.
某天
I hope to travel around the world one day.
我希望有一天能环游世界。
She dreams of becoming a successful writer one day.
她梦想有一天能成为一名成功的作家。
Perhaps one day, technology will solve this problem.
也许有一天，技术会解决这个问题。