英文關鍵字
cartoon
character
2d
animation
office
worker
teacher
tutor
employee
explain
material
teach
study
learn
report
presentation
work
job
workplace
lecture
professor
student
exam
speak
talk
flat
motion
graphic
illustration
hd
video
design
animated
footage
human
isolated
loop
clipart
repeat
toon
dynamic
faceless
person
white
caucasian
european
man
male
corporate