那些夜间爬行的人冒着不小心的蛇会踩蛇,因为蛇只有在地面上感到振动时就会脱离我们的路。一个轻巧的人 - 一个非传统建筑的人,例如,出于这种原因,被蛇咬伤的风险要大得多。当然,这是维持传统的蛇制造构造和安全性的另一个论点。(those who crept about at night risked stepping on a snake if they were not careful, as snakes move out of our way only if they feel vibrations in the ground. A light person-a person of non-traditional build, for example-was at far greater risk of being bitten by a snake for that very reason. That was another argument, of course, for maintaining traditional build-consideration for snakes, and safety too.)