中文：

马克·扎克伯格是Facebook的创始人和首席执行官，他的收入主要来源于以下几个方面。

首先，马克·扎克伯格持有大量的Facebook股票，因此他的财富主要来源于公司的股息和股价上涨。自从Facebook上市以来，其股价持续上涨，使得扎克伯格的财富不断增加。

其次，马克·扎克伯格还通过出售Facebook股票来获得现金收入。据报道，他在2017年出售了价值约10亿美元的Facebook股票，用于投资其他公司和慈善事业。

另外，马克·扎克伯格还从其他方面获得收入。例如，他通过投资其他初创公司来获得股息和利润。此外，他还通过购买房产、艺术品等方式来增加个人财富。

总的来说，马克·扎克伯格的收入主要来源于Facebook的股息、股价上涨以及出售股票所得的现金收入。除此之外，他还通过投资其他公司和房地产等方式来增加个人财富。

英文：

Mark Zuckerberg is the founder and CEO of Facebook, and his income comes from several sources.

Firstly, Mark Zuckerberg holds a large number of Facebook shares, so his wealth mainly comes from the company's dividends and share price increases. Since Facebook went public, its share price has continued to rise, making Zuckerberg's wealth continue to grow.

Secondly, Mark Zuckerberg also receives cash income by selling Facebook shares. It is reported that he sold about $1 billion worth of Facebook shares in 2017 to invest in other companies and charitable causes.

In addition, Mark Zuckerberg also receives income from other aspects. For example, he invests in other startups to receive dividends and profits. In addition, he also increases personal wealth by purchasing real estate, art and other means.

Overall, Mark Zuckerberg's income mainly comes from Facebook dividends, share price increases, and cash income from selling shares. In addition, he also increases personal wealth by investing in other companies and real estate.