I'm going to bring this to a close by stating that if a relationship has to be questioned at the end of the day then that's exactly what the relationship was, A big question mark.

于是关于恋爱关系中的每件事情，你总是在怀疑。我现在正打算用这样的叙述来结束此文：如果把话说到底，追问一下什么是恋爱关系，我只能说，这种关系完完全全是“一个大问号”。

youdao

Staff: Sir, I hate to bring this to a close, but I know you're at the end of your time here.

CENTERFORSECURITYPOLICY: DOD Briefing on Intelligence Matters

President Obama stressed the need for Russia to work with other WTO members to close out the last remaining issues and bring the negotiations to a successful conclusion by the end of this year.

WHITEHOUSE: Press Briefing