For some this is a contentious and even worrying development.

对于一些人来说，这一点颇有争议性，甚至令人担忧。

youdao

However, this is a contentious theory and such claims have been treated skeptically by some scholars based on their reading of the relevant data.

然而，这是一个有争议的理论，一些学者根据他们对相关数据的解读，对此抱有怀疑态度。

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When you're dealing with a difficult crowd and contentious issues, give a few presents away early on.

在要面对一群难以对付的人，进行有争议的问题前，先给出一些介绍。

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Most contentious was the proposal for a government-run insurance option, also known as a public option, to give Americans a choice over private insurance companies.

VOA: standard.2009.11.08

A key question is whether either chamber of Congress will employ what is called the "reconciliation process" aimed at overcoming filibusters,or blocks, in the Senate on contentious measures where a 60-vote majority is usually required to pass major legislation.

VOA: standard.2009.03.24

The two presidents met for the first time on the sidelines of the G-20 economic conference in London in early April and set in motion what Clinton says is an effort to raise the frequently contentious U.S.-Russian relationship to a higher level.

VOA: standard.2009.05.07

Things like setting up a meeting with your boss to discuss promotion opportunities, addressing a contentious issue with a colleague or beginning the process of changing our career path altogether.

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After activist Anna Hazare brought the government to its knees with his 96-hour fast in April demanding tough anti-corruption laws, the government is now debating a contentious law for a corruption ombudsman with Mr Hazare's "civil society" representatives.

BBC: Baba Ramdev fast: Just cause or blackmail?

If you think you can even get to the truth of a complex, contentious issue with a couple of phone calls, you are kidding yourself and your readers.

FORBES: How to Fix Fact-Checking