whichfall后面加什么

后面加介词，例如：

1、Our clock uses seven indicators of economic health， which fall into three broad categories.我们的这个度量表用到了经济健康发展的7个指标，可以分成三大类。

2、they ask only the crumbs of bread which fall from the rich men's table，他们只祈求富人餐桌上掉落的一点面包屑

3、Many civil and commercial cases， which fall into difficult enforcement cases， by its very nature， are bankruptcy cases.许多执行难的民商事案件，究其本质就是破产案件。