他的演讲充满了将生命比作旅程的隐喻。

His speech was rich with the ___metaphor of life as a journey.

作者的核心隐喻将思维比作一座花园。

The author's central ___metaphor compares the mind to a garden.

政治家们经常使用“家庭”这个隐喻来描述国家。

Politicians often employ the ___metaphor of 'family' to describe the nation.