英文關鍵字
adolescence
adolescent
african
afroamerican
alone
american
backpack
black
burger
city
depressed
depression
despair
difficulties
disappointment
eat
frustrated
frustration
generation
loneliness
lonely
male
man
millennial
negativity
outdoors
pensive
poverty
problem
puberty
sad
sadness
sandwich
sitting
snack
social
street
student
suburbs
teen
teenage
teenager
thinking
thoughtful
trouble
unhappy
upset
urban
worrying
young