关于不变法则的一个例子是善意。

An example of an unchanging rule is kindness.

youdao

这些就是生活中的不变法则，来自一个年逾60岁的饱经一切的人。

These are immutable laws of life, given to you by someone over 60 who has seen it all.

youdao

我们深信耐心的沟通、良好的互动、真正的了解，是举办成功婚礼的不变法则！

They believe that patient communication, well interaction and real realization is the changeless law in a successful wedding.

youdao