some famous studies supporting this. And the classic example,

一些很有名的研究都证明了这一点一个经典例子
which is discussed in detail in the textbook, is the Kitty Genovese case

书上有详细讨论就是凯蒂·吉诺维斯案子
where somebody was murdered in the common lot

她在一个公寓环绕的
that apartment buildings surrounded while dozens of people watched,

公共停车场中被谋杀许多人目睹了
dozens of good, normal people watched and did nothing.

许多善良正常的人看见了却什么都没做
If there's some advice I've heard on this, which is pretty good advice:

如果我听说过什么关于此的忠告就是这么一个好的忠告
If you're ever in a predicament on a city street,

如果你在街上陷入困境
you have a heart attack, you broke your leg, you're being mugged and everything,

你心脏病发腿断了或者遇上行凶抢劫等
and there's--this is based on the research,

根据研究
screaming "Help" is often not very successful because if I'm with ten people

大叫"救命"通常是没用的因为如果我身边有十个人
and there's somebody screaming "Help," i look at the other nine people.

听到有人大喊"救命" 我看看其他九个人
They're not doing anything. They're looking at me. I'm not doing anything.

他们什么都没做他们也看着我我也什么都不做