1·Vestiges such as the stumpy wings of flightless birds, and the hairs that prickle on human skin just like the rising hackles on furry mammals, are further testimony to our Shared origins.
还有像不能飞行的鸟类的株状的翅膀，还有人类皮肤的毛发就和有毛皮的哺乳动物类似，这些都是我们有共同的祖先的证据。