Parents should not show preference _____(to/for) any of their children.选什么?求详解答案给的是for,不知道怎么解?这个句子怎么翻译?谢谢

问题描述:

Parents should not show preference _____(to/for) any of their children.选什么?求详解
答案给的是for,不知道怎么解?这个句子怎么翻译?谢谢