英文關鍵字
planet
earth
globe
suit
shirt
white
hands
male
unrecognizable
hud
hologram
smart
man
businessman
concept
future
hand
augmented
business
digital
technology
enhancement
live
webinar
text
word
internet
study
web
teaching
online
seminar
training
course
education
elearning
title
learn
information
trainer
class
coaching
courses
learning
lesson
masterclass
message
streaming
studying