[经] public bond ;
I will spend my salary of this month buying government bonds.
我要用这月工资购买公债券.
Half of them owned public securities.
他们之中有一半人有公债券.
John saved 10 cent savings stamps until he had enough to exchange for a $ 25 bond.
约翰储蓄10分钱的储蓄券,一直到他有足够的钱才换成25元的公债券.
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