Given those conditions, the states' pension promises should be discounted by the risk-free rate, or the yield on Treasury bonds. On that basis, total liabilities are $5.3 trillion, compared with $1.9 trillion of assets. The total shortfall of $3.4 trillion is the equivalent of a quarter of all federal debt.
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The bad news is that both of those conditions have changed in the United states-prosperity has given way to a deep recession and unemployment is soaring.
不幸的是当前美国的情况大不如从前,严重的衰退取代了繁荣,失业率也在飞速上升。
Those quantities of petroleum, which are anticipated to be profitably recovered from known reservoirs with existing technology and under present economic conditions from a given date forward.
以现有技术和当前的经济条件,在今后一段确定的时期内,预期可以从已知油藏里采出而有利可图的那部分石油的数量,就叫(可采)储量。
The supply curve of the specific group for the specific commodity is the boundary line between those points that are and those that are not attainable under the given conditions of supply.
特定供应商群体对特定商品的供给曲线,就是给定供应条件下,在能够达到的点和不能达到的点之间的分界线。
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