the most important or largest part of a company's business activities

The company's core operations include entertainment and aviation. 公司的核心业务包括娱乐和航空。

They plan to sell off their acquisitions and focus on their core business.

Their strategy is to build core holdings in a variety of companies.

You need to protect your core activities as you grow into new markets.

We don't want these schemes to cut into our core business of selling electricity.

See also: core adjective (IMPORTANT)