它是交通工具的语言：大多数飞行员和空中交通管制员都使用它。
It is the language of transport: most airline pilots and air traffic controllers use it.
在中国，受到高度管制的金融市场使通常的货币控制工具（例如短期利率）的效率相对较低，因此要想遏制通胀并非易事。
It is not going to be easy in an economy where highly controlled financial markets render normal instruments of monetary control (for example, the short-term interest rate) relatively ineffective.
但是价格传达了一个重要的新号，使得价格管制成为了一种精确的工具。
But prices send important signals, making price controls a blunt instrument.
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