总公司和子公司是企业组织结构中的两个不同层级，总公司通常是指拥有其他公司股份并对其进行控制的公司，而子公司则是被总公司控制的企业。
英文翻译为：The difference between a parent company and a subsidiary refers to the distinct levels within an enterprise's organizational structure. A parent company is typically a corporation that owns shares in other companies and exercises control over them, while a subsidiary is a company that is controlled by the parent corporation.
