总统坚持说他这么做是出于同情而不是政治投机。
The senator responded by saying that the opposition's concern for the environment was political opportunism.这位参议员回应说,反对派对环境问题的担忧是政治上的机会主义。
Our ancestors adapted to the universal but irregular global warming since the end of the last great Ice Age, around 10,000 years ago, with dazzling opportunism.我们的祖先以令人眼花缭乱的机会主义,适应了自上一个大冰期结束后,约1万年前普遍但不规则的全球变暖。