人口學(xué)家的用法和樣例：
例句
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人口學(xué)家和地理學(xué)家把緩慢的情形都歸咎于不景氣，加州情形尤為嚴重，以致加州一度蓬勃的經(jīng)濟竟然在全國復蘇中落在各州之后。
Demographers and geographers attribute the slowing largely to the recession, which has hit California particularly hard, leaving its once-robust economy to bring up the rear of the national recovery.
