How to maintain sustainable development is a matter of significant importance facing all countries.

如何保持可持续发展是所有国家面临的一个重大问题。

youdao

Learning to drive is all a matter of coordination.

学开车主要是靠协调。

《牛津词典》

Protecting yourself from identity theft is a matter of treating all your personal and financial documents as top secret information.

要保护你自己的身份免遭盗用，就要把你的个人和财务文件都当做绝密信息处理。

《柯林斯英汉双解大词典》

And all this is, is saying that when you take a mixed second derivative, it doesn't matter in which order you take the two derivatives.

麦克斯韦关系的本质是,当你考虑混合的二阶导数时，求导的顺序不影响最后的结果,现在，我们利用这些关系。

麻省理工公开课 - 热力学与动力学课程节选

Now all of this is a matter of record and I suppose needs to be paused over a little bit.

这些事情都是有记录的,我认为我们需要在上边停留一会儿。

耶鲁公开课 - 文学理论导论课程节选

How good it is to be alive is a matter of adding up all of the-- call it the contents of life.

活着有多美好取决于-,生活内容的总和。

耶鲁公开课 - 死亡课程节选

"While the inquiry will fix responsibility for any dereliction of duty the fact that this is happening at all is a matter of great regret, " he added.

WSJ: Pakistani Prisoner Dies in India

"While the inquiry will fix responsibility for any dereliction of duty, the fact that this happening at all is a matter of great regret, " he wrote on the micro-blogging site, Twitter.

BBC: Pakistan inmate Sanaullah Ranjay dies in India hospital

How a battle is fought is a matter of tactics: the terms and conditions that it is fought on and whether it should be fought at all is a matter of strategy.

FORBES: 5 Differences Between Strategy and Strategery