英文關鍵字
abandoned
adolescence
adolescent
african
afroamerican
alone
american
baseball
bat
black
boredom
building
city
closeup
danger
dangerous
depressed
depression
despair
difficulties
frustration
generation
lonely
male
man
millennial
negativity
outdoors
pensive
poverty
problem
problems
puberty
sad
sadness
street
suburbs
teen
teenage
teenager
thinking
thoughtful
trouble
unhappy
upset
urban
walking
worrying
young