经济投资的英文怎么说

经济投资的英文：
economic imvestment

an economical shopper;
精打细算的购物者;

economic planning
制订经济计划

Economics is the base and politics is the concentrated expression of economics
经济是基础，政治则是经济的集中表现。

economics of different sectors and economics ofspecialized fields
部门经济学和专业经济学