1 sentence

1. 长三角是中国经济最发达的地区之一。

   Cháng Sān​jiǎo shì Zhōng​guó jīng​jì zuì fā​dá de dì​qū zhī yī.

   The Yangtze River Delta is one of China's most economically developed regions.

   Source: Dong Chinese Dictionary