她是这个职位的理想人选。

She was the ___ideal candidate for the position.

在国外生活是学习一门新语言的绝佳机会。

Living abroad is the ___ideal opportunity to learn a new language.

在一个理想的世界里，每个人都能获得洁净的水。

In an ___ideal world, everyone would have access to clean water.