This suggests that none of us can walk in a strictly straight line. Rather, we meander, mainly due to a slight structural or functional imbalance of our legs. So steps by the left and right legs of a person are different.

• 这表明，没有人能够完全直线行走。相反，我们是曲折前行的，这主要是因为我们的双腿在结构或功能上有点不平衡。所以，人的左腿和右腿的步距是不同的。