填空题
A--socialist economy
B--capitalist economy
C--collective economy
D--planned economy
E--controlled economy
F--rural economics
G--liberal economy
H--mixed economy
I--political economy
J--protectionism
K--primary sector
L--private sector
M--public sector
N--economic channels
O--economic balance
P--economic fluctuation
Q--economic depression
R--economic stability
S--economic policy
T--economic recovery
U--economic trend
V--economic situation