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315 Activities V
exact: like: cách mấy ngày
VNEN 
cách mấy ngày * ☊ 
a few days ago * ☊
[ cách ] : (1) distant, distance from, separated by; (2) way, manner, fashion, method; (3) to change, alter
[ mấy ] : how much, how many, what, how?; several, some, a few; and, with
[ ngày ] : day, daytime, date