那是学习过程中的正常现象。

It's a normal part of the learning process.

《牛津词典》

这项化验能鉴定胎儿是否有不正常现象。

The test can identify the presence of abnormalities in the unborn child.

《牛津词典》

当今世界，高薪资的管理者不为发生在其组织内的事情担责，这已属正常现象。

In today's world, it has become normal that well-paid executives should not be accountable for what happens in the organisations that they run.

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