ideal

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.

经过多年寻找，我终于找到了理想的工作。

After searching for years, I finally found my ___ideal job.

这位老师是教育行业的典范。

This teacher is the ___ideal in the field of education.