Tā zài shū lǐ xiángxì fēnxī le cìjí fángwū xìndài wēijī de chéngyīn.
He analyzed the causes of the subprime mortgage crisis in detail in his book.
Tips
usage
Hong Kong / Taiwan media phrasing; mainland reporting more often shortens it to 次贷危机 (cìdài wēijī). 次级 ('sub-grade,' i.e. lower credit rating) corresponds to 'subprime.'
memory
Decode it left-to-right: 次级 (subprime) + 房屋 (housing) + 信贷 (credit/loan) + 危机 (crisis). Each chunk is a separate everyday word — once you know them, the long compound parses itself.