But the immutable law of software development is that best practices are always evolving.

但是软件开发的永恒法则就是：最佳实践总是在不断变化。

youdao

It is an immutable law in business that words are words, explanations are explanations, promises are promises but only performance is reality.

商业世界中一条恒古不变的真理是，文字就是文字，解释就是解释，承诺就是承诺，唯有绩效才是现实。

youdao

I think it is an immutable law in business that words are words, explanations are explanations, promises are promises - but only performance is reality.

我觉得商界里一个永远不变的准则是文字是文字、解释是解释、承诺是承诺—但只有成果才是真实。

youdao

Our system, therefore, so far as regards this inferior race, rests upon this great immutable law of nature."

因此,我们政府在对待这一劣等种族时,必须以这一永恒的自然规律为基础"

耶鲁公开课 - 美国内战与重建课程节选

This suggests that the familiar bell-shaped curve reflects no immutable law, and that intelligent government policies might well help to reduce pollution levels even while countries are still relatively poor.

ECONOMIST: Local difficulties