| 单词 | option card | 
| 释义 | > as lemmasoption card   option card  n. 		 (a) a credit card issued for use in a particular store or chain of stores; a store card;		 (b) Computing an expansion card. ΚΠ 1979    Amer. Banker 10 July 2/4  				[They] will be able to use the Option logo as they see fit, either by issuing an option card or by adding a small version of the symbol to existing plastic cards. 1984    InfoWorld 15 Oct. 21/2  				The Tandy 1200 HD uses the same software and option cards as the IBM PC XT. 1989    Which? Oct. 505/1  				But interest-free credit, and the shop option card (used carefully) are worth considering. 1990    Pract. Computing Sept. 36  				We design and manufacture our own motherboards, option cards and VLSI support chips. < as lemmas  | 
	
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