sat09年1月section2的第6题什么意思?

问题描述:

sat09年1月section2的第6题什么意思?
你好像看错题了吧.这是一道数学题啊

the passengers experienced an intimacy not uncommon among vacationers spending days together, an initimacy more often due to (proximity) than to any community of taste.我猜是说这种旅客间的熟络intimacy...