翻译是：被邀请去市政厅的人大多是在城市工作的外国教授.
People主语
invited to the town hall 定语表被动
were mostly foreign professors working表语
in the city状语
invite sb to some place 邀请某人去...
invite还有名词性质,解释为“邀请函”.
He has got an invite to the book show.
invite 招致,引起.
His carelessness invited this bad result.
他的粗心招致了不好的结果.