One key opens one lock.; There is a different solution for each problem. (idiom)
trad. 一把鑰匙開一把鎖
Also written 一把鑰匙開一把鎖【yī bǎ yào shi kāi yī bǎ suǒ】
One key opens one lock.; There is a different solution for each problem. (idiom)
trad. 一把鑰匙開一把鎖
Also written 一把鑰匙開一把鎖【yī bǎ yào shi kāi yī bǎ suǒ】