【中文版】

主营业务成本高低代表了公司在主营业务领域内的成本管控能力和盈利能力。如果主营业务成本高，则说明公司在生产、销售和管理等方面存在较大的成本压力，这可能会影响到公司的盈利水平。相反，如果主营业务成本相对较低，则说明公司在成本控制方面可能具有较高的管理能力，这将有助于提高公司的盈利能力和市场竞争力。

因此，主营业务成本高低对于评估公司的经营状况和未来发展潜力具有重要意义。如果公司的主营业务成本居高不下，那么公司需要深入分析成本构成，找出问题所在，并采取有效措施降低成本，以提高盈利水平。同时，也需要关注主营业务成本的变化趋势，以便及时调整经营策略，保持竞争优势。

【英文版】

The high or low cost of the company's main business represents its cost control and profitability in the main business area. If the main business cost is high, it indicates that the company faces significant cost pressures in production, sales, and management, which may affect its profitability. Conversely, if the main business cost is relatively low, it means that the company may have a high management ability in cost control, which will help improve its profitability and market competitiveness.

Therefore, the high or low cost of the company's main business is of great significance for assessing its business status and future development potential. If the company's main business cost remains high, it needs to deeply analyze the cost structure, find the problems, and take effective measures to reduce costs to improve its profitability. At the same time, attention should also be paid to changes in the main business cost trend to adjust business strategies in a timely manner and maintain competitive advantages.