There is no earthly reason why they should ever change.

他们毫无理由改变。

《柯林斯英汉双解大词典》

Why don't facts change our minds?

为什么事实改变不了我们的想法？

youdao

Why does the sky change colors?

为什么天空会改变颜色？

youdao

That's why I chose the NAACP. Because their method was legal change through the court system, or through action by the Congress."

VOA: standard.2010.04.16

And this is the reason why enthalpy was invented and why it's so important. Because we want to know this. So this for a finite change.

这也就是为什么焓要被提出,而且如此重要的原因,因为我们想要知道这些。

麻省理工公开课 - 热力学与动力学课程节选

Because if the change was not possible on the individual level, ? on the society level,why am I doing what I am doing?

因为如果从个人层面或社会层面来说，改变都是不可能的，那我在这里干什么？

哈佛公开课 - 幸福课课程节选

Others say that despite a year of rapid overhauls, they still can't explain why Myanmar has chosen to head down the road to change, or why the secretive military general who ran the junta for the past 20 years has apparently stepped aside.

WSJ: Suu Kyi's Party Claims Win in Myanmar Vote

Partly because the economic situation in Denmark is quite good already, so why change it?

BBC: More

Chances are these behaviors will never change, so why not place a very good bet.

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