Countries with the highest scores tend to be clustered in the West, where gender discrimination is against the law, and equal rights are constitutionally enshrined(神圣化).
出自-2013年12月阅读原文
柯林斯高阶英汉双解学习词典释义
ADJ
成群的;成簇的
If people or things are clustered somewhere, there is a group of them close together there.