Economists across the world are expressing concern about rising food prices.

全球经济学家对不断上涨的粮食价格表示关注。

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The move comes in response to residents expressing concern about their health.

这个行动是对居民对可能的健康忧虑的回应措施。

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Vartan Oskanian, Armenia's foreign minister, retorts that "expressing concern about a process that doesn't exist is disingenuous".

亚美尼亚外长法尔坦•奥斯卡·尼雅(Vartan Oskanian)反驳道，“对一个并不存在的进程表示关心是没有诚意的”。

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India's external affairs minister, S.M.Krishna,is expressing concern about terrorist forces in Pakistan that,he says, "invariably" have India as the object of their attacks.

VOA: standard.2009.10.16

Judge Victor Marrero declined to issue injunction in August 2011, expressing concern about extending protection to a color.

FORBES: Louboutin Wins Protection For Red, But Don't Try To Grab Blue Just Yet

By expressing concern about the U.S. image abroad, McCain broke with President Bush for the first time, Kuhn says.

NPR: Writer: McCain Sees End to 'Cowboy Diplomacy'

Even the New York Times ran an article expressing concern about the problem.

FORBES: The Republican Fiscal Cave Is Much Worse Than The Fiscal Cliff