英文關鍵字
teacher
education
online
woman
flipchart
lesson
person
english
study
trainer
whiteboard
training
tutor
female
video
coach
course
learn
teaching
write
class
lecture
office
professional
business
communication
quarantine
educate
information
instruction
seminar
live
room
internet
indoors
work
presentation
presenting
businesswoman
presenter
girl
white
caucasian
horizontal
text
freelancer