expediency [ɪkˈspidiənsi]

例句:

• In some perplexity...about the expediency of the voyage.
  来自C. Middleton
• This was a matter less of morals than of expediency.
  此举只是权宜之计，不关乎道德问题。
  
• The government is torn between principle and expediency.
  政府在原则与权宜之间难于抉择.
  
• It was difficult to strike the right balance between justice and expediency.
  在公正与私利之间很难两全.
  
• The Saville Inquiry was born out of political expediency.
  来自THETIMES
• But it endures because of its political expediency.
  来自WSJ