第1个回答 2009-01-14
influence一般表示间接影响
effect表示某种影响产生的结果
impact表示强烈的影响,特别是某种新东西对人或事的影响
The anti-smoking campaign had had/made quite an impact on young people.
I think I'm suffering from the effects of too little sleep.
Christopher hoped to exert his influence to make them change their minds.