with复合结构

region / area

• area 区域,没有界限
  desert area 沙漠地区
• region 地区,通常有明确的界限
  the regions of Jiangzhehu

the + 形容词

• 表示一类人,复数概念,动词用复数形式
  The young,the Chinese
The Chinese are very nice.

with复合结构

with的复合结构可以表示状态或者说明背景情况

• with sb/sth doing (sth)
I fell asleep with the lamp burning
• with sb/sth adv/conj
I left home with the air condition on
My kid is crying with his head down
• with sb/sth adj
Don't speak with your mouth full
We are having an outing with the weather fine