模仿文本：Now there's one corner of the Cuban capital Havana where you'd be forgiven for thinking that you're seeing double. Calle 68-A is home to a remarkably high number of twins, and most of them are identical. There are many wild and wonderful theories about why this has happened, and Sarah Rainsford has been investigating.

 

译文：在古巴首都哈瓦那的一个角落，你若是疑心自己眼花了，决不会有人怪你。68-A街盛产双胞胎，而且多数都是同卵。就其原因，有各种夸张奇特的说法，萨拉·雷特曼前去一探究竟。