hěn duō / rén / dōu / zhī dào / Dīng Lěi / yīn wèi / tā / céng jīng / shì / Zhōng guó / shǒu fù

很多人都知道丁磊，因为他曾经是中国首富。

Many people know Ding Lei because he was once China's richest person.