A.集聚 B.居住 C.生長(zhǎng) D.數(shù)量
A.計(jì)劃經(jīng)濟(jì) B.市場(chǎng)經(jīng)濟(jì) C.商品經(jīng)濟(jì) D.自然經(jīng)濟(jì)