英文關鍵字
teacher
online
remote
education
male
headphones
explaining
lesson
female
student
laptop
workplace
elearning
video
call
web
lecture
modern
virtual
training
watching
listening
meeting
coach
class
distance
communication
study
interview
conference
work
internet
chat
digital
language
course
webinar
notebook
computer
technology
indoors
asian
people
person
adult
man
woman