If, for instance, a census block containing 100 people is known to be 1% Hispanic, a miscreant would be able quickly to identify its sole Hispanic resident from that piece of data alone.
例如，如果已知一个包含 100 人的人口普查区有 1% 是西班牙裔，那么不法分子就能够仅根据该数据快速识别出其唯一的西班牙裔居民。