不过，他说官兵倒戈不是没有先例的。

But he says there have been precedents.

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我们相信中国的变化也是没有先例的过程，我们必须追踪所有阶段。

We believe that the transformation in China is also a process without precedent and that we have to 'follow all stages'.

youdao

但这并不会削弱俄罗斯干预选举的严重性，这样的干预似乎是没有先例的。

But that does not diminish the seriousness of Russia's intervention in the election, which appears to be unprecedented.

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