不过，他说官兵倒戈不是没有先例的。

But he says there have been precedents.

youdao

由于层层先例的累积使原则和章程变得僵化呆板了。

Principles and rules have petrified with the accumulated weight of precedent.

youdao

现在的真人秀与1973年的先例的最大的区别就是类型的状况。

One of the biggest differences between today's reality television and its 1973 antecedent is the genre's status.

youdao

I'll start you off with the wrong answer and this, by the way, can be found on this web site.

我先例举几个错误的答案,这些都可以在这个网站上找到。

耶鲁公开课 - 心理学导论课程节选

Finally, getting it right to keep inflation low, keep that boom-bust cycle from coming back like it did, and you don't have to go, even go back so far period.

最终可以维持低通胀，打破繁荣与萧条的周期循环，这个已有先例，远的不说。

斯坦福公开课 - 经济学课程节选

We know the early example in sort of Golden Age America, but where else did we see a competitive fringe enter when there was a collusive agreement to keep quantities down?

我们知道美国全盛时期有这样的先例,还有什么行业原来也有产量协议,但新公司进入后却导致协议瓦解呢

耶鲁公开课 - 博弈论课程节选