一段金融学文字，求大神翻译，在线等，不要用翻译器，谢谢

abstract
since financial liberalization launched in 1970s,financial derivative instruments has become important tools used for mitigating r**ks,lowering transaction costs and hedging.although financial derivative instruments has come out for nearly 30 years,they has maintained a rapid development both in expansion of market shares and innovation of their products.
with china's entry into wto,the domestic financial market must be further developed.in the presence of fierce market competition while china's"financial firewall"system has not been establ**hed,business enterpr**e need some simple and effective tools to mitigate r**ks when developing international business.to nuture a sound financial derivative market ** an integral part for china to become international**ed.however,how to develop financial derivatives which fit china's national conditions,how to superv**e them reasonably and effectively in such a complex derivative market has been the research focus of the enterpr**es,academic circles and the **s.
keyword:financial derivative instruments;financial market;the development of the derivatives