英文關鍵字
abstract
alarm
background
book
business
businesswoman
clock
closeup
contract
deadline
desk
digital
document
draw
drawing
education
ending
equipment
exam
finger
girl
hand
keyboard
knowledge
laptop
lawyer
lesson
letter
notes
office
pad
paper
pen
pencil
people
person
professional
school
sign
signature
student
table
technology
time
watch
work
worker
workplace
writing