What does it matter if I use his flat while he's away? What the eye doesn't see...!

我趁他外出时用他的公寓有什么关系呢？反正他又看不见！

《牛津词典》

What does it matter if I spent $100 on it—it's my money!

我花100元钱买这东西有什么关系—那是我的钱！

《牛津词典》

If this works, it won't matter if they can't remember what they ate yesterday.

如果这招管用，即使他们记不起昨天吃了什么也没关系。

youdao

It's really important no matter what career you go into if it's accounting or human resources or science career that you can think critically and creatively, you can work in teams, you can adapt to change and that's important for everybody."

VOA: special.2010.04.01

It's not a simple matter. Imagine what it would be like if you had to learn about sixty such things?

绝不是个简单的事,想象一下如果你得学,六十个字母会是什么状况

耶鲁公开课 - 古希腊历史简介课程节选

She said, no matter what the other person does, she reckons she'd get a better grade if she chose Alpha.

她说无论别人怎么选,她觉得选α会使自己得到最优的结果

耶鲁公开课 - 博弈论课程节选

What does it matter if rich individuals want to spend their enormous wealth on a club?

FORBES: Congratulations Your Takeover Bid For Arsenal Arrived A Decade Late

What would matter is if the UN Security Council passed a resolution, perhaps prodded by Mr Gambari who will give a briefing, probably on Friday.

ECONOMIST: The protesters are crushed

That basic idea that if you work hard, no matter where you come from, no matter what you look like, no matter what the circumstances of your birth, if you work hard you can do well enough to raise a family and own a home, send your own kids to college, put a little bit away for retirement.

WHITEHOUSE: President Obama Speaks on Student Loan Interest Rates in Colorado | The White House