故事发生的日期不明。

The story takes place at an unspecified date.

《牛津词典》

故事发生在很多年以前的中国。

The story happened a great many years ago in China.

youdao

据说这个故事发生在西湖上。

It's said that the story happened on West Lake.

youdao

Then there came to be questions about whether the scenes, the stories in the book, actually did happen to him.

于是问题出现了，书里的那些情节和故事是否真正在他身上发生过。

耶鲁公开课 - 1945年后的美国小说课程节选

Irving Fisher then told that story as an illustration of how poorly the understanding was of what was going on.

欧文？费雪之后讲述了这个故事，以此,来阐述人们对发生的事情,了解得到底有多少。

耶鲁公开课 - 金融市场课程节选

So that's the geographical setting for what we are about to read in the Book of Joshua.

这就是它的地理位置,我们将在《约书亚书》中读到的故事就发生在这里。

耶鲁公开课 - 旧约导论课程节选