Ambilingualism at the highest level (9.0 - 10.0)
Uberclassification of the language levels:
10: totally comprehensive knowledge of the native tongue
9: Level A in simultaneous interpreting
8: Level B in simultaneous interpreting
7: CEFR C2, proficiency, expert; level B in simultaneous interpreting
6: CEFR C1, advanced, expert; level C - consecutive interpreting only
5: CEFR B2, advanced, upper-intermediate
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