on the decline 还是in the decline
问题描述：
on the decline 还是in the decline
答
on the decline在衰退中,在减弱中例句：She is on the decline,and may die soon.她的健康每况愈下,可能不久于人世.也有in the decline的用法,如下：Perhaps the largest problem of the industry lies in the decli...