promptness [prɒmptnəs]

例句:

• The manager replied with promptness and courtesy.
  那经理思路敏捷、彬彬有礼地作了答复.
  
• This promptness proved how strictly he had held to his word.
  这足以表示,他是多么谨守前约.
  
• He arrived with his customary promptness.
  他像惯常那样准时到达.
  
• It is not only the promptness of taking a decision but also having the authority of implementing decisions that are taken.
  来自VOA