which we are all familiar with,

大家应该都很熟悉
but we are all familiar with why it is not a very good theory.

我们也明白它不是一个完美理论的原因
A lot of people who are afraid of snakes

很多怕蛇的人
have never had a bad experience with snakes.

其实从未有过什么和蛇有关的糟糕经历
Moreover, a lot of people who have had bad experiences with things like

甚至很多人有过其他很糟糕的经历
car crashes and being electrocuted on a socket

比如车祸被插座电到
or a shooting, seeing a gun during a shooting,

枪击在枪击过程中看到枪
do not develop phobias.

但他们并没因此患上恐惧症
This leads -- gives rise to a much more plausible theory

这引出了一个更为合理的理论
known as the "preparedness theory,"

被称为"备战理论"
which says that we have evolved

这一理论认为我们已经进化到
to be sensitive to certain phobic objects,

对一些特定的恐惧事物很敏感