translation.en: So this is a key force that I'm going to talk about today, but let me say right away that this is not the only important force in the dynamics of income and wealth distribution, and there are many other forces that play an important role in the long-run dynamics of income and wealth distribution.
translation.zh: 这是我今天将要谈的关键内容 但是我得明确一下 这不是唯一的 在收入和财富分配的变化中起到关键作用的因素 另外还有很多因素 在不断发展变化的收入和 财富分配的过程中起到