taking advantage of opportunities without regard for the consequences for others
造句
用作名詞(n.)
Doing so sends a dangerous signal that moral arguments have no role in shaping the climate regime and that national expedience will regularly trump global deals. 這樣做發出了一個危險的信號，即道德論據在塑造氣候制度方面無法發揮任何作用，國家便利通常會打敗全球協議。
The expedience of war opened the doors to American drug traffic and Mafia domination. 戰爭的私利就是給美軍的毒品交易和黑手黨的同志打開大門。