我之前没仔细听过 Katy Perry 的 Hot N Cold 的歌词，我之前以为跟标题一样是 and，结果原来是 then:

You're hot then you're cold
You're yes then you're no
You're in then you're out
You're up then you're down

这个听起来感觉完全不一样了啊。
打拳打到突然伤感。