the common meeting place for the Maori is on the marae,an area of land with a meeting house,where all important events take place.
主语:the common meeting place for the Maori
系动词:is
表语:on the marae
同位语:an area of land with a meeting house(the marae的同位语)
定语从句:where all important events take place.(修饰the marae)