having a goal in life ,'can stave off effects of Alzheimer's'.有一個人生的目標，“可以延緩老年癡呆症的影響”。

Being motivated and having a goal in life 'can stave off effects of Alzheimer's' | Mail Online http://www.dailymail.co.uk/health/article-2140884/Being-motivated-having-goal-life-stave-effects-Alzheimers.html