警方发出了寻找目击证人的呼吁。

The police have issued an appeal for witnesses.

《牛津词典》

几名证人告知专门小组，普查局需要改进方法寻找居民，为他们提供多种问卷填写方式，使自己的工作迈向21世纪。

Several witnesses told the panel that the bureau needs to move into the 21st century in improving its approach to finding residents and offering them multiple ways to answer the questionnaire.

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因此，调查人员正在试图寻找那些证人，能说出是的，我看到有人带着这样一个包裹。

So, investigators are going to try to find people who can say, yes, I saw someone with a package like that.

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