英文關鍵字
adult
background
book
business
casual
caucasian
close
closeup
concept
education
female
hand
hobby
holding
home
indoors
information
knowledge
learn
learning
leisure
library
lifestyle
literature
male
man
novel
open
page
paper
people
person
read
reading
relaxation
room
school
search
sitting
student
study
studying
table
university
white
young