【中文版】

主营收入是指企业主要经营活动中所获得的收入。它通常包括销售商品、提供劳务、建造合同等主营业务收入。在财务报表中，主营收入通常被列为企业收入的主要来源，并被用来衡量企业的经营规模和盈利能力。

主营收入的实现通常与企业的产品或服务密切相关。例如，对于一家制造业企业来说，其主营收入可能来自于销售生产的产品；对于一家建筑企业来说，其主营收入可能来自于建造合同。此外，对于一些提供专业服务的企业来说，其主营收入可能来自于提供劳务。

主营收入的增长通常与市场需求的增长有关。如果市场需求增加，企业销售的商品或提供的劳务也会增加，从而导致主营收入的增加。此外，企业通过改进产品或服务的质量、提高生产效率、降低成本等措施，也可以增加主营收入。

总之，主营收入是企业主要经营活动中所获得的收入，它是衡量企业经营规模和盈利能力的重要指标。企业应该通过不断优化产品或服务、提高生产效率等措施来保持主营收入的稳定增长。

【英文版】

What is the main business income?

The main business income refers to the income obtained by an enterprise in its main business activities, including the sales of goods, provision of labor services, and construction contracts. In financial statements, main business income is usually listed as the main source of enterprise income, and is used to measure the business scale and profitability of an enterprise.

The realization of main business income is usually closely related to the products or services of an enterprise. For example, for a manufacturing enterprise, its main business income may come from the sale of products produced; for a construction enterprise, its main business income may come from the construction contract. In addition, for some enterprises providing professional services, their main business income may come from providing labor services.

The growth of main business income is usually related to the growth of market demand. If market demand increases, the goods or services provided by an enterprise may also increase, leading to an increase in main business income. In addition, enterprises can also increase main business income by improving the quality of products or services, improving production efficiency, reducing costs and other measures.

In summary, main business income is the income obtained from the main business activities of an enterprise. It is an important indicator to measure the business scale and profitability of an enterprise. Enterprises should continue to optimize products or services, improve production efficiency and other measures to maintain the stable growth of main business income.