major part of economy

基本解释

Macroeconomy risk in late industry time induced the safety theory of macroeconomy to happen, and made it the major part of the safety theory of economy law.
后工业时代宏观经济风险凸显诱发了宏观经济安全理念产生，并使其成为经济法安全理念的重要内核。
lib.nwnu.edu.cn
The financing for the deficit came from surplus countries in Asia and Europe - in short, every major economy is part of the bubble .
填补赤字的资金来自在亚洲和欧洲的贸易顺差的国家-总之，每一个主要的经济都是泡沫的一部分。
At present, the listed companies are becoming the major-micro-part of China's economy which makes the integrative appraisal and analysis of its profit-making state become popular projects.
目前，上市公司作为我国经济运行的重要微观主体，其财务绩效状况的综合评价研究已成为学术界和实务界研究的热门课题。

Also,a new survey indicates that the services sector, a major part of the U.S.economy, shrank more quickly in July than in June.

The production of the Paper of Ages or King of Papers is a major part of the economy in Jing County, where the industry directly or indirectly employs one in nine locals and the craft is taught in local schools.
UNESCO: Culture
Oil prices play a major role in global economic growth because oil is crucial to every part of the economy.
FORBES: Falling Oil Prices: Worrying Trend Or Saving Grace?