英文關鍵字
20s
academic
academical
beautiful
book
bookshelf
bored
casual
caucasian
college
depressed
education
exam
exhausted
expression
eyeglasses
face
failure
female
frustrated
girl
head
hipster
homework
intelligence
knowledge
learning
library
literature
massaging
mental
one
overworked
portrait
pressure
problem
sad
sitting
stressed
student
studying
thinking
tired
trendy
university
upset
woman
worried