Jīng / guò / duō / nián / fā / zhǎn / tā / chéng / le / dāng / dì / shāng / jiè / de / lóng / tóu / lǎo / dà

经过多年发展，他成了当地商界的龙头老大。

After years of development, he became the leading figure in the local business community.