translation.en: In the brewing process, there's lots of cloudy elements in the beer, so to get rid of these cloudy elements, what some companies do is they pour the beer through a sort of gelatin sieve in order to get rid of that cloudiness.
translation.zh: 啤酒在酿造的过程中，会产生大量浑浊物， 为了除去这些浑浊物， 一些酿酒公司 会把啤酒倒入一种明胶过滤网 来把浑浊物去掉。