"It's a tremendously complex patchwork of initiatives that are now being sewn together by Western military commanders and Afghan political figures,"

VOA: standard.2009.06.15

It just means pages sewn together and placed within the covers of a book.

意思是连起来的张页,外面是抄本封面。

耶鲁公开课 - 新约课程节选

It just means pages sewn together and placed within the covers of a book.

意思是连起来的张页,外面是抄本封面。

耶鲁公开课 - 新约课程节选