英文關鍵字
teacher
student
personal
tutor
learning
class
smart
female
working
male
light
modern
workplace
private
lesson
home
education
meeting
confident
coach
study
course
guidance
individual
language
together
training
prepare
exam
test
college
university
school
diverse
friends
explain
indoors
black
african
caucasian
people
person
adult
man
guy
woman
girl