There are serious differences of opinion within the medical profession.

在医务界存在着严重的意见分歧。

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As serious differences of needs and opinions have emerged, the dialogue doesn't stop and cooperation doesn't stop.

当需求和观念产生严重分歧时，双方并没有停止对话和合作。

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But,serious differences remain. The U.S.and Britain want other governments to pump more money into their economies as stimulus.

VOA: standard.2009.04.01

The world will change you." In a videotaped message to the Iranian people, Mr.Obama said Friday he is committed to diplomacy to address "serious differences" between the United States and Iran.

VOA: standard.2009.03.21

Environment ministers are in the Argentine capital, Buenos Aires, in an effort to overcome serious differences over tackling global warming.

BBC: Special Report

Mr Biden told the conference it was "no secret" that Moscow and Washington had "serious differences" on issues such as Syria.

BBC: Syria opposition chief invited to Moscow

Nawaz Sharif's removal from active politics and banishment to Saudi Arabia also led to serious differences emerging within his Pakistan Muslim League (PML) party.

BBC: Profile: Nawaz Sharif