英文關鍵字
20s
adult
area
autumn
backpack
books
campus
casual
caucasian
city
college
going
happy
headphones
hipster
jeans
looking
man
men
millennial
millennials
motion
move
notebook
one
outdoor
outdoors
park
person
side
slow
smiling
street
student
study
summer
sunlight
sunny
sunshine
teenager
tshirt
univercity
view
walking
walks
young
youth
youthful