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серьёзные вопросы stresses
gen.	key matters (bigmaxus); serious problems (Ivan Pisarev); serious challenges (Ivan Pisarev); serious issues (Ivan Pisarev); serious difficulties (Ivan Pisarev); major challenges (Ivan Pisarev); major problems (Ivan Pisarev); major issues (Ivan Pisarev); major difficulties (Ivan Pisarev); significant challenges (Ivan Pisarev); significant problems (Ivan Pisarev); significant issues (Ivan Pisarev); significant difficulties (Ivan Pisarev); severe problems (Ivan Pisarev); severe challenges (Ivan Pisarev); severe issues (Ivan Pisarev); severe difficulties (Ivan Pisarev); grave problems (Ivan Pisarev); grave difficulties (Ivan Pisarev)
busin.	big issues
серьёзный вопрос
gen.	important question (Alex_Odeychuk); major issue (MichaelBurov); serious issue; serious question; grave issue (Sergei Aprelikov)
dipl.	grave matter
Makarov.	serious matter; serious subject
media.	grave question (bigmaxus); huge issue (англ. цитата заимствована из статьи в Business Week; в тексте англ. цитате предшествовал неопред. артикль; крайне контекстуальный перевод Alex_Odeychuk)
rhetor.	big question (Alex_Odeychuk)

серьёзные вопросы: 24 phrases in 12 subjects

Diplomacy	2
Figurative	1
General	7
Jargon	1
Law	1
Makarov	2
Military	1
Philosophy	3
Politics	2
Production	1
Rhetoric	2
United Nations	1