问题描述：
英语翻译
1the smaller the physical distance between friends,the larger the effect they had on each other's happiness
2the researchers say social groups did not influence happiness as much as personal situations
3people removed by as much as three degrees of separation still had an effect on one's happiness.the expression three degrees of separation means the friends of an individual's friends
4persons with three degrees of separation had a greater effect on an individual's happiness than having five thousand dollars
1the smaller the physical distance between friends,the larger the effect they had on each other's happiness
2the researchers say social groups did not influence happiness as much as personal situations
3people removed by as much as three degrees of separation still had an effect on one's happiness.the expression three degrees of separation means the friends of an individual's friends
4persons with three degrees of separation had a greater effect on an individual's happiness than having five thousand dollars
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