1. There are likely to be tensions and personality clashes in any social group. 任何社会团体都容易出现关系紧张和性格冲突。
2. "The ability to broadcast to our social group means we need never feel alone," he says. “向我们的社会群体传播信息的能力意味着我们永远不会感到孤独。”他说道。
3. I have already pointed out that people repeat ideas to signal they are part of the same social group. 我已经指出，人们重复某个观点是为了表明他们属于同一社会群体。
4. Those who engaged in activities that were not intellectually challenging either in a social group or alone, did not show such improvements. 那些参加了非智力考验型活动的人，无论是社交团队还是独自一人，都没有表现出这样的改进。
5. Those who engaged in activities that were not intellectually challenging, either in a social group or alone, did not show such improvements. 那些参加了非智力挑战活动的人，无论是在社会群体中还是单独活动，都没有表现出这样的进步。
