Unit 151 If at first you don't succeed,try,try againUnit 151 如果开始不成功，就一试再试吧Instituting a regular program of exercise a difficult discipline.Lapses are perfectly normal.Don't beat yourself up if you skipped a day-or even a week.Just pick yourself up and start fresh today.要实行一项有规律的运动计划是艰辛的磨炼过程。短暂停顿是绝对的正常的。别因自己一天或甚至一星期没运动就痛责自己。你只要重拾信心，从今天重新开始就行了。