prefer的形容词形式是preferable；
preferable：adj.较适合；更可取
Preferable background with big international chemical process work experience.
有大型化工公司工作背景者优先。
This teaching mode has attained preferable teaching results after two years'practice.
该教学模式经两年的教学实践取得了较好的教学效果。
He finds country life preferable to living in the city.
他觉得住在乡下比城里好。
温馨提示：
