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быть обязательнымstresses
gen. be obligatory; be obligatory; be a must
dipl. be binding (on ... – для ...); render obligatory
быть обязательным: 26 phrases in 12 subjects
Alternative dispute resolution4
Card games1
Diplomacy6
European Union1
French1
General4
Law3
Literature1
Makarov2
Mathematics1
Programming1
Taxes1