VOA慢速英语:Volunteer Programs Offer Seniors a Way to Spend Their Time Helping Others

date back to追溯到…; 从…开始

例句：The castle dates back to the 14th century.
      该城堡建于14世纪。

      The history of the town dates back to the Middle Ages.
      这个城镇的历史可回溯到中世纪。

2. They are prepared to step out of the classroom right into the working world.

step out of走出，脱下

3.They also say students who choose vocational schools miss out on the college experience.

miss out错过机会

例句：If I don't go to the party, I shall feel I'm missing out.
      如果我不去参加聚会, 我将会感到错失良机。

      He missed out on a chance to go to college because of his ill health.
      他因身体不好, 失去了上大学的机会。