谁帮我翻译下论文摘要，急用，谢谢啦！！！

In the tide of economic globalization, be raging like a storm, especially China has joined the WTO situation, China's international trade activities have become increasingly frequent, foreign economic strategy is from the "export oriented" to "globalization" change, and with the reform of foreign trade system is thorough, there will be more departments, enterprises directly involved in foreign trade, an omni-directional, multi-level, wide-ranging opening pattern is formed. The business letter has gradually become the main tool for international trade activities and more effective means of communication, business letters to trade both sides is accurate, fast transmission of information, to build bridges, active in playing a more important role in international trade. In this paper, the connotation of business letters and international trade are described, analyzed the politeness principle in business letters, business letters and the role in international trade are discussed.

求人不如求己