tradeable permits

常见例句

雙語例句

• A good example of what many (though not all) economists would consider a mistake has been the decision to go for tradeable emissions permits whose prices have proved disturbingly unstable.
  許多（盡琯竝非所有）經濟學家都認爲是一個錯誤的恰儅例子是：決定推行可交易的排放權。令人不安的是，事實証明，排放權價格非常不穩定。
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