There are about 12 million people,most of whom are from mainland.
The contribution which they paid to the developement of city is important.
英语翻译大约有1200万人,其中大多数来自内地他们对城市的发展作出的贡献是重要的
There are about 12 million people,most of whom are from mainland.
The contribution which they paid to the developement of city is important.