求翻译：自2005年7月21日人民币汇率改革以来，我国贸易顺差依旧在持续。从理论上讲，人民币升值可以抑制出口、促进进口。然而，人民币升值对我国贸易顺差并未有显著影响。因此，本文对人民币升值与我国贸易顺差的关联性进行研究，探讨人民币升值是否对我国贸易顺差有影响。主要分析在人民币升值背景下我国贸易顺差的形成原因以及保持适度顺差的原因和必要性。最后说明在我国经济发展方式的转型期，对人民币汇率我们应有的态度和对我国外贸的展望。是什么意思？

Since July 21, 2005, the RMB exchange rate reform, China's trade surplus is still continuing. In theory, the RMB appreciation can discourage exports and promote imports. However, the RMB appreciation on China's trade surplus did not have a significant effect. Therefore, the appreciation of the RMB a

Since July 21, 2005 RMB exchange rate reform, China's trade surplus has remained constant. Theoretically, the appreciation of the Renminbi could discourage exports and import promotion. However, the appreciation of the renminbi to China's trade surplus did not have a significant effect. Therefore, t