translation.en: So a more challenging question is one that I was asked, actually, by one of our writers a couple of weeks ago, and I didn't know the answer: What's the world's best performing currency?
translation.zh: 有一个更难回答的问题 是几星期前公司的文案问我的 我当时没答上来: 全世界表现最好的货币是什么？