Microeconomics is the branch of economics that is concerned with individual areas of economic activity, such as those within a particular company or relating to a particular market.
He has 250 students in his microeconomics module.
有250名学生上他的微观经济学课。
Microeconomics is concerned with the efficient supply of particular products.
微观经济学关心的是某些特定产品的有效供给。