listening report

He started to speak about the beer. For example, if we taste many kinds of beer, we can recognize different tastes. Then, he said to think about if we are blind and taste the beer, it seems different compared to when we are not blind. Similarly, he thought about physiology, such as selling medications. Some people said that medications are expensive but work better and others said they are cheap, but it does not work. Thus, he focused on inequality.