The Board has gotten written complaints from eight people — several whose names have different spellings of Karen.

旧金山市议会收到了8个人的书面投诉——其中几人的名字与Karen的拼写方式有些不同。

The ALA defines a challenge as a "formal, written complaint filed with a library or school requesting that materials be removed because of content or appropriateness."

美国图书馆协会将挑战定义为“向图书馆或学校提交的正式书面投诉，要求因内容或适当性而删除材料”。