| 单词 | pre-clearance | 
| 释义 | > as lemmaspre-clearance   pre-clearance  n.  Brit. , U.S. (a) a sale held before a stock clearance (rare);		 (b) the granting or obtaining of permission beforehand, esp. so that normal clearance procedures do not have to be undergone. ΚΠ 1926    Syracuse 		(N.Y.)	 Herald 14 Nov.  i. 6/2 		(advt.)	  				Tomorrow, Monday, great pre-clearance. 1951    Newport 		(Rhode Island)	 Daily News 30 Nov. 8/2  				Authorization has been secured..for the special assistant U.S. attorneys..to file injunctive actions..without securing pre-clearance from Washington. 1991    Traveller Spring 14/1  				Staggered arrivals at embarkation have ensured that certain flights have enjoyed a 100 per cent pre-clearance, with an average of 60 per cent on most others. < as lemmas | 
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