A host of measures involving direct assistance to exporters could only help if currency appreciations were temporary .
只有在货币升值只是暂时现象的情况下，那些对出口商的直接援助措施才会有帮助。
In some countries that had exchange-rate appreciations exports moved up the value chain : this also helped .
在有些国家，汇率升值提升了出口价值链：此举也很有益。
The only danger is that these currency appreciations begin to feed on themselves , tempting " carry-traders " to make money by stoking the process for as long as they can .
The example of japan is instructive : it continues to run significant trade surpluses even after appreciations of its currency in the 1970s , 1980s and 1990s .
日本的例子就是明证：日圆在上世纪70年代、80年代和90年代升值后，日本仍然维持了很高的贸易顺差。
Peak io usage predicts rapid appreciations that cannot be explained by standard correlates and this variable is more robustly correlated with rapid appreciations than other mortgage characteristics , including sub-prime , securitization and leverage .
