【中文版】

自贸区是指自由贸易试验区，是中国政府在境内设立的区域，旨在促进贸易自由化和便利化，加快改革开放。自贸区的特点是“境内关外”，即自贸区内的货物可以自由进出，无需缴纳关税和其他贸易限制。

自贸区的建设不仅可以促进贸易自由化和便利化，还可以带动相关产业的发展，提高就业率，促进经济增长。此外，自贸区还可以吸引更多的外资和优秀企业入驻，进一步推动中国的改革开放。

自贸区的发展需要政府的大力支持和企业的积极参与。政府需要制定相关的政策和法规，为自贸区的发展提供保障和支持。同时，企业也需要积极参与自贸区的建设和发展，利用自贸区的优势和政策，拓展业务和扩大市场。

总的来说，自贸区是中国政府为了促进贸易自由化和便利化而设立的区域，其建设和发展需要政府和企业共同努力。通过自贸区的建设，可以推动中国的改革开放和经济社会发展。

【英文版】

Free trade zone refers to the free trade experimental zone, which is a region established by the Chinese government within its borders to promote trade liberalization and facilitation, and accelerate reform and opening up. The characteristic of the free trade zone is "within the country but outside the customs", which means that goods in the free trade zone can be freely imported and exported without being subject to tariffs and other trade restrictions.

The construction of the free trade zone can not only promote trade liberalization and facilitation, but also drive the development of related industries, increase employment, and promote economic growth. In addition, the free trade zone can attract more foreign investment and excellent enterprises to enter China, further promoting China's reform and opening up.

The development of the free trade zone requires strong government support and active participation by enterprises. The government needs to formulate relevant policies and regulations to provide support and guarantees for the development of the free trade zone. At the same time, enterprises also need to actively participate in the construction and development of the free trade zone, utilize the advantages and policies of the free trade zone to expand their business and expand the market.

In general, the free trade zone is a region established by the Chinese government to promote trade liberalization and facilitation. Its construction and development require joint efforts by the government and enterprises. Through the construction of the free trade zone, we can promote China's reform, opening up, and economic and social development.