In other words, he was unwilling to treat this as anything but a concrete problem, and he was used to camels being in villages, and he was quite unable to use the hypothetical, to ask himself what if there were no camels in Germany.
换句话说，他只愿意将这个问题 当成一个具体的问题来回答。 他习惯于骆驼是豢养在村庄里的， 他自己真的无法假设 德国真的就没有骆驼。