Unnerved traders frantically searched for an explanation, scouring the trade blotters for clues to the cause.

慌乱的交易员疯狂地寻找答案，搜索交易纪录以便找到股市大跌成因的线索。

Scan newspaper police blotters to see if there is a large amount of crime in the area, and interview principals and teachers at the area schools, if you have children.

看看报纸上警情通报，了解在该地区是否发生过很多罪案。 如果你有孩子，拜访一下该地区的学校校长和教师。