N-COUNT
計策；計謀；手段
A ploy is a way of behaving that someone plans carefully and secretly in order to gain an advantage for themselves.
例句
Christmas should be a time of excitement and wonder, not a cynical marketing ploy.
圣誕節應該是興奮和美妙的時刻，而不該是一種肆無忌憚的營銷策略。