与老外一起聊聊爱情这玩意

6. In poetry the rose is often a metaphor for love. 
 诗歌中常用玫瑰花来隐喻爱情。 

metaphor 隐喻

如：Using metaphor, we say that computers have senses and a memory.
打个比方, 我们可以说计算机有感觉和记忆力。