it is widely believed

基本解释

It is widely believed that it came from animals and humans sharing ever scarcer water.
人们普遍认为，霍乱是因人与动物共用越来越少的水所致。
They remain two trophies behind Liverpool in Europe, and it is widely believed that Ferguson will not rest until that record is also put right.
但在欧洲赛场上，他们仍比利物浦少拿两次冠军，人们普遍认为，在追平这项纪录以前，弗格森是不会退休的。
Abroad, conspiracy theories abound and it is widely believed that China may use its financial muscle to obtain concessions in other areas, such as trade.
在国外，阴谋论比比皆是，很多人认为，中国可能会利用其财力谋求在其他领域（如贸易）的优惠和让步。

There have been conflicting reports about what happened to the men after the kidnapping, but it is widely believed that the men were handed over to Islamist militants fighting to topple the Somali government.
One answer, and it's the one that is most widely believed among Greek scholars, is that the growth of population that we have mentioned in connection with the rise of the polis is still working once the polis comes into form.
原因之一是,这个原因是被广大古希腊学者们所接受的,那就是,人口的增长与城邦的数量,在城邦兴起的阶段还是基本一致的
耶鲁公开课 - 古希腊历史简介课程节选
As a matter of fact, it's so widely believed that asset allocation is the most important tool that I think some people have come to the conclusion that it's some sort of law of finance that asset allocation is the most important tool.
事实上,我们普遍相信,资产配置是最重要的工具,以至有人得出结论,资产配置是最重要的工具,已经算是一条金融学定理了
耶鲁公开课 - 金融市场课程节选

It is widely believed by students of the field that this was not a coincidence.
ECONOMIST: Climate change and civilisation