18岁以下者按特殊情况处理。

Special conditions apply if you are under 18.

《牛津词典》

离开董事会最有可能的原因是年龄，因此研究人员集中研究了年龄在70岁以下的董事“意外”失踪的情况。

The most likely reason for departing a board was age, so the researchers concentrated on those "surprise" disappearances by directors under the age of 70.

youdao

要补充说明以下情况才合理，即他们是最后一刻才获知这个问题。

It's only fair to add that they were not told about the problem until the last minute.

《牛津词典》

Let's just assume that the rows are the same even though they're not and let's examine the following thing.

我们假设这两行相同,尽管他们不是,我们来调查以下情况

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