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315 Activities V
exact: like: vấn đề kỹ thuật
VNEN 
vấn đề kỹ thuật * ☊ 
technical problem, issue * ☊
[ vấn ] : to ask, question
[ đề ] : (1) to write; (2) to propose; (3) to lift
[ kỹ ] : (1) carefully; careful, thorough; (2) prostitute; (3) skillful
[ thuật ] : to tell, report