The rule was introduced expressly for this purpose.

这项规则是为此特意推行的。

《牛津词典》

This idea totally break the rule that the purpose students in school.

这个想法完全打破了学生在学校的目的的规则。

youdao

What is the purpose of the full-size baby crib rule?

的目的是什么完整大小的婴儿垛规则？

youdao

What is the purpose of the full-size baby crib rule?

的目的是什么完整大小的婴儿垛规则？

youdao