Dante and I had become acquaintances when one day after class he had announced an event sponsored by my favorite chocolate company. There would be free chocolate.

但丁和我是在一次下课后熟识的，那次课上他宣布一个项目被我最喜欢的巧克力公司赞助，那将是免费的巧克力啊。

youdao

One day, when I arrived at school, an ice cream truck was parked in the schoolyard.

有一天，当我到达学校时，一辆冰淇淋车停在校园里。

youdao

One day, when the Lion was asleep at noon, the little Mouse came running by.

一天，当狮子在中午睡觉的时候，小老鼠跑了过来。

youdao

One day his mother said When Pierre climbed out of bed Good morning,darling boy, you are my only joy.

VOA: special.2009.10.05

When I first started teaching this course and had six students, I remember one day sitting in Leverett House, having lunch by myself and one of the students comes in and says, "can I join you?" "Sure." we have lunch.

当我开始教授这门课时,有六名学生，我记得有一天坐在学生宿舍里，独自用餐，一名学生走进来说，“能一起吃吗？““当然“，我们共进午餐。

哈佛公开课 - 幸福课课程节选

So I used to love going there in the middle of the day when there's no one else there.

我曾经喜欢在中午去那里，那时候没有其他人在。

去泰特现代美术馆 - SpeakingMax英语口语达人

I'll be happy when one day we do a thousand shows in one night.

BBC: Should music fans stop filming gigs on their smartphones?

Training, already ingeniously split between plain in Turin and vocational in Salonika, could no doubt be subdivided further: practical (Germany?), emotional (Poland?), theological (for Geneva, when one day even the Swiss come in), monarchical (Bulgaria) and so on.

ECONOMIST: The EU family spreads its wings

He figures that when General Motors one day launches a sport utility vehicle with interactive ads, it won't have to wade through rival technical standards for cable, DirecTV and the broadcast networks.

FORBES: Taking Liberty