national debt

1. N-COUNT A country's national debt is all the money that the government of the country has borrowed and still owes. 国债[usu sing]

He talked about the importance of reducing the national debt. 他谈了减少国债的重要性。

No wonder then that the national debts of all the civilized countries in the world are reaching astronomical proportions. 难怪世界上所有文明国家的国债都近乎天文数字。