也许，如果您不知道存在差距，那么您就不必担心。如果您是千足人，那么a沿着地面爬行，您会看着鸟儿，担心没有翅膀吗？可能不是。
(Perhaps if you don't know there's a gap, you don't worry about it. If you were a millipede, a , crawling along the ground would you look at the birds and worry about not having wings? Probably not.)