To explain the fact that we've got free will, so the objection goes, we have to appeal to — we have to posit — the existence of a soul, something non-physical, something more than purely physical.

要解释我们有自由意志这一事实，反驳者会说，我们不得不诉诸，或者假定灵魂存在，这里提到的灵魂是非物质并超出物质的东西。