Marx produced a new theory about historical change based upon conflict between competing groups.

马克思提出了一个新理论，认为历史变革是由于对立集团的冲突而产生的。

《柯林斯英汉双解大词典》

It seems plausible that the more young men there are, the more likely they will be to fight. This is especially true when groups are competing for scarce resources.

年青人越多，他们之间打斗的机会就越大似乎很有道理，尤其是在不同群体争夺稀少的资源情况下。

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It's not that the groups are competing, they're sharing, and coming up with products people really want.

不是两家公司在竞争，他们是在分享，共同开发出人们真正想要的产品。

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He plans to work to improve the legal system so that competing groups can settle their differences in court instead of the battlefield.

VOA: special.2009.01.28

There are different, and in some cases competing, Tea Party groups around the country.

VOA: special.2010.03.06

His success was due partly to his grasp of detail, partly to his skill at consensus-building among competing groups.

ECONOMIST: South Africa

Similarly, corporate leaders must also manage the interests of often competing groups such as managers, employees, unions, board members, and creditors, while theoretically acting in the best interest of shareholders.

FORBES: Is Running A Country Like Running A Company? Should It Matter?

Then two competing groups of scientists--one working for the government and one in the private sector--stopped feuding and announced the first mapping of the human DNA sequence in June 2000 at the White House.

FORBES: On The Cover/Top Stories