英文關鍵字
abstract
abuse
addict
addicted
addiction
american
bad
banknote
bill
business
care
cash
cost
danger
dangerous
dealer
dollar
dollars
drug
drugs
forbidden
fun
future
group
habit
health
healthcare
healthy
illegal
illness
injection
insurance
issue
junkie
medical
medication
medicine
money
narcotics
needle
overdose
problem
sick
sniff
snort
snorting
social
syringe
unhealthy
white