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。

The senator responded by saying that the opposition's concern for the environment was political opportunism.

这类系统主要被用来防止占大多数盗窃案件中的机会主义粉碎和抢夺攻击。

These kinds of systems are primarily designed to protect against the sort of opportunistic smash and grab attack that makes up the majority of burglaries.

第二种倾向，以张国焘为代表，只注意 工人运动，同样忘记了农民，这是“左”倾机会主义。

The exponents of the second deviation, represented by Chang Kuo-tao, were concerned only with the labour movement, and likewise forgot about the peasants, this was "Left" opportunism.

归根结底，这类系统的设计主要是为了防止构成大部分盗窃案的机会主义式的打砸抢式的攻击。

At the end of the day, these kinds of systems are primarily designed to protect against the sort of opportunistic smash-and-grab attack that makes up the majority of burglaries.

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。

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.