包含三個從句的復合句？

復合句(Complex Sentence)

一個主句和一個以上的從句所構成的句子稱為復合句，也稱為主從復合句。復合句通常由關聯詞把主句和從句連接起來。

例句： Other models exist that are hybrids of these three, such as delayed open?access, where journals allow only subscribers to read a paper for the first six months before making it freely available to everyone who wishes to see it. (選自2008年Text 2)