Even if …(让步，即使某个条件成立)the argument relied on the future assumption that …(说出要让步的是事实). Yet the only evidence the argument offer to substantiate this assumption (说出文中的根据). Perhaps …(说出有可能出现的其他情况导致这个事实)if so, (说出不一样的结果，与上面事实相矛盾). Or…(其他的情况) In short, without more information about…(对上面的可能情况总结) were established it is impossible to assess …(回到上面的结论).
