来自陈思文的问题
one()andahalfoneandahalf()yearsoryear?
one()andahalfoneandahalf()yearsoryear?


one()andahalfoneandahalf()yearsoryear?
one()andahalfoneandahalf()yearsoryear?
前一个是year,因为year前是1
后一个是years,因为是一年半,超过了1