词性
形容词economic
of or relating to an economy, the system of production and management of material wealth
同义词economical
of or relating to the science of economics
concerned with worldly necessities of life (especially money)
financially rewarding
using the minimum of time or resources necessary for effectiveness
同义词：economical
例句：The pace of economic growth is picking up.
字根词源
eco=house家
来源于希腊文oikos(=house)意为house“房屋，家”。词根eco加上希腊词nomos（管理）,词根ecu,oce是它的变形。同义词根有来自拉丁语的cas。
