1.a teacher should not show preference for any one of her pupils .
一位老师不可以偏爱任何一个学生。
2.A teacher should not show preference for any one of her pupil.
老师不应该偏心于任何一个学生
3.e. g. A teacher should not show preference for any one of his pupils.
老师不应偏爱任何一个学生。
4.Sometimes it's difficult for a teacher not to show preference to an especially clever child.
有时不让教师对超常的孩子表示偏爱是很难的。
5.Parents should not show preference for any one of their children.
父母不应流露出对任何一个孩子的偏爱。
6.It would also show preference to mining projects that demonstrate efficient water use, government officials said.
有官员称，政府也偏好那些使用节水技术的矿产项目。