英文關鍵字
accident
agent
analyzing
attention
board
boardroom
bulletin
case
chart
clipboard
committee
contemplate
cop
crime
criminology
danger
data
department
detective
evidence
examining
expert
figuring
idea
ideas
indoors
information
inspection
inspector
investigating
investigation
investigator
looking
male
man
notes
occupation
office
officer
place
police
policeman
private
profession
professional
specialist
thinking
thoughtful
work
workplace