英文關鍵字
20s
academic
beautiful
book
boring
boy
campus
casual
caucasian
class
college
computer
device
dolly
education
exam
examination
exhausted
female
girl
grass
group
hipster
homework
knowledge
laptop
lawn
learning
lifestyle
male
outdoors
overworked
park
people
preparation
school
sitting
sleeping
stress
student
studying
tablet
teamwork
technology
teenager
tired
university
young
youth