3四分の一の長さ
adult
book
bookshelf
brown hair
business
business person
businessman
businesswoman
casual clothing
caucasian ethnicity
confidence
cooperation
discussion
education
expertise
females
holding
indoors
learning
library
lifestyles
looking
males
mature adult
men
occupation
office
professional occupation
reading
real people
research
science
selective focus
shelf
smiling
standing
student
studying
success
suit
teamwork
technology
two people
waist up
women
working
young adult
young women