英文關鍵字
teacher
student
portrait
face
woman
closeup
coach
smiling
college
happy
caucasian
educational
study
think
teach
clever
young
youth
girl
academic
smile
education
female
thinking
class
day
chalkboard
learn
university
tech
learning
educated
cheerful
learner
concept
studying
knowledge
school
pretty
lesson
teaching
successful
tutor