We do not live in an ideal world.

我们并非生活在一个完美的世界里。

In an ideal world Karen Stevens says she would love to stay at home with her two-and-half-year-old son.

卡林·斯蒂芬斯说，她愿意和两岁半的儿子待在家里，但那只是理想状态。

In an ideal world there would be no poverty and disease.

在理想的世界里将没有贫穷和疾病。

In an ideal world we would be recycling and reusing everything.

我们要是能回收并再利用所有的东西就再理想不过了。

In an ideal world, we would be recycling and reusing everything.

在理想状态下，我们能回收并再利用所有的东西。