0Hello all!02br 02br 00What does "in & out" signify? Is it similar to "more or less"? In case it is, would be polite using it in a formal conversation?02br 02br 00Thank you in advantage02br 02br 00Joe0-
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— Marius Hancu
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0Do you actually mean 'ins & outs'? If so it means 'in detail' or to have a good knowledge of. To know, for example, the ins & outs of traffic regulations. 02br 02br 00It's used informally.0-