But many observers say such bilateral deals also risk seriously weakening any Copenhagen agreement by allowing the idea of a global limit on greenhouse gas emissions to be abandoned.

但是，许多观察家称，这样的双边协议允许放弃全球性限制温室气体排放的构想，也有严重削弱哥本哈根协议的危险。

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But he also says his comments do not suggest a weakening of support for the security of those countries or other NATO members.

VOA: special.2009.03.07

Bernstein also believes in weakening demand, but his take is typical of a political liberal.

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