My understanding: 2 and under = under 3

来源: 于 2011-09-01 18:48:19 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

"2 and under" are abbreviation of two groups of kids. The first word "2" means the kids at age 2. The third word "under" means the kids under 2 years old. Therefore, "2 and under" is identical  to "under 3."