translation.en: 20 percent of the merchandise accounts for 80 percent of the revenue, 20 percent of the users use 80 percent of the resources -- this is the shape people are talking about when that happens.
translation.zh: 20%的商品带来80%的收益， 20%的用户占用了80%的资源。 这就是当这些情况发生时大家所谈论的曲线。