expression, noun
staple product of an industry; core product
A set phrase likening an industry's key product to rice as a dietary staple. Often used in business or economic contexts to describe a product that is fundamental to a particular sector.
半導体は「産業の米」と呼ばれている。
Semiconductors are called the 'staple product of industry'.
この素材はまさに産業
This material can truly be called the core product of the industry.