extended metaphor

基本解释

The extended moral metaphor in ocean culture is also the motif of profound moral integrity in the Chinese traditional culture.
“比德於海”同樣是中國傳統文化中具有深刻道德內涵的母題。
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Through the study, the author has found: (1) Senses of the polysemous animal lexemes are extended through conceptual metaphor, conceptual metonymy and grammatical metonymy;
研究發現：（1）多義動物詞項以詞滙隱喻，詞滙轉喻以及語法轉喻等認知機制實現意義引申；
The use of metaphor is pervasive in all forms of discourse, and this trend will be extended in the future. Metaphor has been regarded as an important topic in ergonomics.
關於隱喻的研究和應用在各個領域都有躰現，竝且呈現日趨增多的趨勢，迄今隱喻已經成爲工業心理學研究的一項重要課題。

In a quite extended metaphor, it reminds me of gay marriage opponents arguing that just because more people get to be married, it somehow invalidates their own commitments.
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