This is the 701st most frequent Vietnamese word.
khuyến
"Khuyến" means "encourage" or "promote."
Here, 'khuyến' is part of the term 'khuyến mãi', which means 'promotion' or 'sales promotion'.
Chương trình khuyến mãi hôm nay thật hấp dẫn.
Today's promotion program is very attractive.
In this sentence, 'khuyến' is part of 'khuyến khích', which means 'to encourage'.
Thầy giáo khuyến khích học sinh đặt câu hỏi.
The teacher encourages students to ask questions.
Here, 'khuyến' is part of 'khuyến nông', which translates to 'promoting agriculture'.