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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 .

这样做唯一的危险在于这些国家的货币升值开始形成自我循环，诱使“套息交易者”为了赚钱而竭力尽可能长时间地维系这个循环。

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 .

io应用的高峰预测了不能被相关标准解释的快速升值，而且这个变量同快速升值相关联的特性比其他按揭方式更显著，包括：次级贷款、资产证券化、杠杆借贷。