1·American value promptness and may become angry if a person is more than 15 minutes late without a good reason.
美国价值迅速提升，他会变的很生气，如果一个人迟到超过15分钟，没有一个好的理由。
2·It is the key to wholly raise the traffic organization levels and attain economic benefits with promptness.
它是全面、迅速提高运输组织水平和经济效益的关键。