Four years after Washington's Librarian of Congress,
(状语埋蔽) Dr James Billington(陆做主语) ,suggested(谓语) the idea(宾语),curators have accomplished the first stage in the construction of a truly global library .(同位语早液衡)
第握森一个逗号为一时间状语从句,Dr James Billington为段培亩主语,suggested为谓语,the idea带一定语从中模句。