key (A하는 비결은 B이다)
2016-08-15 1478
Shane
A: What's the key to delicious 떡국.
B: 만두.
A: Really? Kimchee or beef?
B: Kimchee. It should be homemade, too.
※ the key to : the most important thing for achieving a goal ; ~하는 비결
