请分析句子结构？帮忙啊

磐儿UID: 2106063

Gutman argues convincingly that the stability of the Black family encouraged the transmission of and so was crucial in sustaining — the Black heritage of folklore, music, and religious expression from one generation to another, a heritage that slaves were continually fashioning out of their African and American experiences.
加特曼确凿地说明黑人家庭的稳定鼓励了黑人文化遗产的传递和维护，这些遗产包括从一代传到另一代的民间传说，音乐，和宗教表述，这些遗产使非洲和美洲的奴隶们特色显著。

蜻蜓切UID: 201589

我记得这个句子是GRE难句里面的
你去GRE版找找，有所有杨鹏（杨继？名字混了）难句的word版本，里面有的

豌豆UID: 144569

Gutman argues that.....
the stability encouraged the transmission
so the stability was crucial

angeljiashaUID: 2105254

原帖由 豌豆 于 2005-12-27 21:50 发表
Gutman argues that.....
the stability encouraged the transmission
so the stability was crucial

well done!

zhanggeorgiaUID: 2172228

Gutman argues convincingly that the stability of the Black family encouraged the transmission of and so was crucial in sustaining — the Black heritage of folklore, music, and religious expression from one generation to another, a heritage that slaves were continually fashioning out of their African and American experiences.
Gutman argues convincingly that ...
the stability encouraged the transmission of the Black heritage ...,
中间插入的so was crucial in sustaining说明the stability。。。的重要性，sustaining后的宾语和前面of后面的宾语是一样的，
a heritage that是同位语。

babepigUID: 189860

the stability of the Black family encouraged the transmission of the Black heritage
and
so the stability of the Black family was crucial in sustaing the Black heritage

同意楼上的分析