選択的
agreement
application
approval
approve
authority
business
businessman
businessperson
certificate
certify
clerk
closeup
contract
desk
document
form
holding
indoors
ink
law
legal
notary
office
official
one
paper
paperwork
people
permit
person
press
pressure
print
record
rubber
seal
stamp
stamper
using
validation
wooden
worker
working
workplace