? ???? ??????(CG)?? ?? 17?, 80? ??? ?? ???? ????. ??? ???? ??? 5??? ??? ???? ???, ??? ??? ???? ?? ??? ?? ???????. ?? ???? ??? ?? ?? ??????? ‘??? ??’, ‘???’, ‘??’? ??? ? ????. ‘??? ???’? look in(search) every nook and cranny?? ???.(?: ?? ???? ?? ????. I'll be looking for it in every nook and cranny.)
????? ??? ?? ??? 3??? ?????, ????? ??? trial and error???.(?: ?? ?? ???? ??? ????? ???? ??? ? ??. The best solution can only be found by a process of trial and error.) ??? ??? ???? ??? ? ????? ??? ?? ??? ?? ? 33??? ?? ???????.
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