According to etymology dictionary, in- means "not,

opposite of, without"; un- means simply "not". The americans appreciate simple. 

一個猜想：For open ended questions, un-; for close ended or half-half questions, in-. There is untrue, ungodly, no intrue, ingodly. Undo, yes, Indo-, no...

 

 

 

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• From where you took off, you could let your imagination fly. -renqiulan- ♂ (0 bytes) () 09/21/2023 postreply 19:37:42