Perhaps it's a case for duck typing, the principle that it doesn't really matter what an object is, in terms of class and module, but only what it does.

可能这就是duck typing的一个例子，duck typing所代表的原则是，无论对象属于什么类或者模块，关系都不大，关键在于它做些什么。

youdao

But for the writer who sits in his cube all day and rarely sees the sun, let alone another person, does it really matter what he's wearing?

但对于整天都坐在办公隔间连阳光都很少见更别说人的一位作家来说，穿什么难道真有关系吗？

youdao

What does it matter in the course of a life-time if a father never tells a son what he really thinks of him?

即使一位父亲一辈子都不曾亲口告诉儿子自己对他的看法，那又如何？

youdao

"It is really setting a good example that it does not matter what office you hold in the country."

VOA: standard.2010.08.03

"It really doesn't matter what the Burmese government says so much as what it does,".

VOA: standard.2009.11.05

Something, it does not really matter what, causes an initial price rise.

FORBES: Anatomy of an Economic Meltdown

If enough people can be declared eligible for so-called income-based repayment plans that reduce their monthly bills and even their principal, does it really matter what the official interest rate is?

WSJ: Review & Outlook: Obama's Student-Loan Props

If the answer is yes, then in the end it really does not matter what the story was about.

FORBES: How David Petraeus Mastered the Media