是的，但我希望有一天能买一部属于自己的。

Yes, but I hope to buy my own someday.

youdao

我不擅长数学，但我希望有一天数学能够及格。

I am not good at math, but I hope math can pass one day.

youdao

我并无法真的以任何形式来影响他们，但我希望有一天这个国家到了他们的手中，他们能够铭记过去并好好地照顾这块土地。

I can't really influence them in any way, but I hope that when the country is one day in their hands they will remember the past and take good care of this nation.

youdao

but in that time, I'm hoping to set up my life such that one day, in the long term,

但长期以来，我希望有一天能够掌握自己的生活，

事业和人生都重要 - SpeakingMax英语口语达人