【中文版】

挂牌公司是指注册地在境内、股票在代办股份转让系统挂牌交易的非上市股份有限公司。这些公司已经完成了股份制改革，并且符合了挂牌上市的条件。挂牌公司不同于传统的公司，它们可以在股票市场中进行交易，并且可以吸引更多的投资者关注和参与。

挂牌公司的挂牌交易通常需要满足一定的条件和标准，包括公司的治理结构、财务状况、信息披露等方面。这些公司需要遵守相关的法律法规和规定，并且需要接受证券监管机构的监管。

挂牌公司的优点在于可以通过股票市场获得更多的融资机会和流动性，同时可以提高公司的知名度和品牌价值。但是挂牌公司也需要承担一定的风险和责任，包括信息披露的透明度和准确性等方面。

总之，挂牌公司是现代企业制度的一种重要形式，它们可以通过股票市场获得更多的机会和发展空间。但是挂牌公司也需要承担一定的风险和责任，需要遵守相关的法律法规和规定。

【英文版】

Listed company refers to a non-listed public company whose registered place is in China and whose stocks are listed and traded on the Quotations and Trading System of China's over-the-counter market. These companies have completed the shareholding system reform and met the conditions for listing and trading. Listed companies differ from traditional companies in that they can trade on the stock market and attract more investors to pay attention and participate.

The listing and trading of listed companies usually need to meet certain conditions and standards, including the company's governance structure, financial status, information disclosure and so on. These companies need to comply with relevant laws, regulations and regulations, and also need to be subject to the supervision of securities regulatory agencies.

The advantages of listed companies are that they can obtain more financing opportunities and liquidity through the stock market, and at the same time can improve the company's visibility and brand value. However, listed companies also need to bear certain risks and responsibilities, including the transparency and accuracy of information disclosure.

In summary, listed companies are an important form of modern enterprise system. They can obtain more opportunities and development space through the stock market. However, listed companies also need to bear certain risks and responsibilities, and need to comply with relevant laws, regulations and regulations.