It happens because a majority of the182 UN members do not pay their dues. The largest defaulter has been the United States. ,182合数缴纳合费。拖合费美。
defaulter [ noun ]
someone who fails to make a required appearance in court
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someone who fails to meet a financial obligation
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a contestant who forfeits a match
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Defaulter \De*fault"er\, n. 1. One who makes default; one who fails to appear in court when court when called.
2. One who fails to perform a duty; a delinquent; particularly, one who fails to account for public money intrusted to his care; a peculator; a defalcator.