y=kx+byxxy .

2011 1 .

y^WORDYXxY.

Understanding the Context

RMB CNY Y Y-YY="Y Y- Y= .

y=x y=x y=kx+bkbk0x yb=0.

Model Y110 Model Y3.

wpsyWPSyyshift+6y.

Key Insights

y,w yya),w (wa .

Model Y