他们撰文指出，救助基金放贷规模扩大后，决策者们可用新发行的救助基金债券以极低的折扣价来置换希腊现有的国债，以此结束希腊债务恐慌。
They wrote that policymakers, using an expanded European bailout fund, could end the Greek panic by offering to swap existing Greek bonds for newly issued bailout-fund debt at a steep discount.
元素的特征价数是以该元素一个原子可结合的氢原子数或可从一化合物中置换出的氢原子数来表示。
Hydrogen (h) always has valence 1, so other elements' valences equal the number of hydrogen atoms they combine with.
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