He argues persuasively that the underlying cause of the bloodletting, which still continues on a reduced scale, was the collapse of the Iraqi state.

他以令人信服的口吻强调了流血事件的原因是伊拉克的衰落，目前流血事件虽然减少，但是仍在发生。

They continue to migrate but on a reduced scale, often modifying their schedules of migration to allow children to finish the school year.

他们仍继续迁移，但规模有所缩小，经常会调整迁居计划以便孩子们完成这一学年的学业。