在Go语言中，字符串连接主要有两种方法，其中一种在某些时候是非常低效的，通过本文学习我们应该掌握在不同的场景下选择最合适的方法。

UFO: A UniFied TransfOrmer for Vision-Language Representation Learning

Given a list of unique words, find all pairs of distinct indices (i, j) in the given list, so that the concatenation of the two words, i.e. words[i] + words[j] ...

Fully Convolutional Networks for Semantic Segmentation