分类：教育/科学-外语学习-英语考试
问题：beexpertsonmilitarylifeto？Presid 
President Obama has urg Americans to support US troops and their families during the Christmas holiday period. In his Weekly Address, Mr Obama was joined by his wife Michael, who said American didn’t need to be experts on military life to make a contribution. Rajini VaidyanathPresident Obama has urg Americans to support US troops and their families during the Christmas holiday period. In his Weekly Address, Mr Obama was joined by his wife Michael, who said American didn’t need to be experts on military life to make a contribution. Rajini Vaidyanathan reports from Washington.这段话中American didn’t need to be experts on military life to make a contribution。怎么理解？
回答：make a contribution 捐钱
American didn’t need to be experts on military life to make a contribution。
美国人不必非要等到成为军事生活的专家才向美国军队捐钱。（暗指有些人太多疑，非要弄清大家募捐的钱将用作何处）