문제 내용: Javelin Research noticed that not all Millennials are currently in the same stage of life. While all Millennials were born around the turn of the century, some of them are still in early adulthood, wrestling with new careers and settling down. On the other hand, the older Millennials have a home and are building a family. You can imagine how having a child might change your interests and priorities, so for marketing purposes, it's useful to split this generation into Gen Y.1 and Gen Y.2. Not only are the two groups culturally different, but they're in vastly different phases of their financial life. The younger group is financial beginners, just starting to show their buying power. The latter group has a credit history, may have their first mortgage and is raising young children. The ______ in priorities and needs between Gen Y.1 and Gen Y.2 is vast.
선택지 1: ① contrast
선택지 2: ② reduction
선택지 3: ③ repetition
선택지 4: ④ ability