英文關鍵字
adolescent
black
business
businessman
classmate
closeup
concept
contract
document
documents
education
exam
guy
hand
handwriting
important
knowledge
lawyer
learning
legal
lesson
letter
lifestyle
man
manager
notepad
notes
office
paper
pen
plan
school
schoolbook
sheet
sign
signature
signing
student
table
text
university
unknown
view
white
work
workplace
write
writing