They are taking undue advantage of the situation.

他们过分利用了这种情势。

《牛津词典》

It should not take undue advantage of the Intellectual Property Rights (IPR) of other brands, like name, trademark and copyright.

尊重他人的厂商名称、商标、商誉及有关知识产权。

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"It may not be insider trading but it is insider use of sensitive information, which gives an undue advantage, " Arjuna Mahendran of HSBC Private Bank told the BBC.

“这可能不是内幕交易而是敏感信息的内幕利用，这也给有关人员带来了不正当的利益，”汇丰私人银行的阿朱马亨德兰对BBC说。

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Furthermore, a strong and durable recovery requires that countries not have an undue advantage.

WHITEHOUSE: Announcing the President's Export Council

All of us need to avoid actions that perpetuate imbalances and give countries an undue advantage over one another.

WHITEHOUSE: G20 Summit Presidential Press Conference

He drew a distinction between "undue influence" - such as donors getting peerages or some sort of business advantage - and "unobjectionable" influence, like donors being able to "put their views on what's best for the country and how it should be run".

BBC: Michael Farmer and Stuart Wheeler on donors & influence