If 'Lexicographers constantly face problems of defining terms that, in some instances, might require a brief essay to explain and far more specialized knowledge than can reasonably be expected from the user.' is true, does it logically mean that 'Lexicographers have issues providing the meaning on some words.' also is?
Lexicographers constantly face problems of defining terms that, in some instances, might require a brief essay to explain and far more specialized knowledge than can reasonably be expected from the user.###Lexicographers have issues providing the meaning on some words.