Price discrimination happens more often than you think.

价格歧视的现象比你以为得多很多。

But price discrimination isn't just for monopolies, and it's not always illegal.

但是价格歧视不是垄断独有的，而且并不总是非法的。

They can also engage in a practice called price discrimination.

他们也可以采取所谓的价格歧视。

Price discrimination works best when firms have a large share of market power.

当公司拥有很大的市场份额时，价格歧视效果最好。

In fact the earliest regulations on railroads came about because they were engaged in price discrimination.

事实上，铁路的最早规定是由于它们采取了价格歧视。

Price discrimination is the practice of charging different consumers different prices for exactly the same product.

价格歧视是指在同一产品上对不同的消费者收费不同的做法。

To pull off price discrimination, a business needs to be able to segregate the market based on consumers' willingness to pay.

为了消除价格歧视，企业需要根据消费者的支付意愿来隔离市场。

Eric says this is an example of a common thing that economists call price discrimination, which, for economists, is not necessarily a bad thing.

埃里克说，这是经济学家称之为价格歧视的常见现象的一个例子，对于经济学家来说，这不一定是坏事。