congregation与ceremony的区别是什么？

congregation是会众的意思，而ceremony则是仪式的意思，区别可以从以下例子看出：

There is wedding ceremony held in the church, the groom and bride making agreements in the front of congregation. Become hu *** and and wife 教堂举行婚礼，新郎新娘在会众面前签定约, 成为夫妇。