英文關鍵字
adult
all
alone
angle
armchair
business
businessman
calling
chair
clock
computer
copyspace
desk
employee
evening
extraordinary
fatigue
focusing
headach
high
holding
image
indoor
job
lancet
laptop
man
minute
night
notebook
occupation
office
person
photo
project
seat
sit
sitting
sleep
speaking
table
talking
task
thinking
time
tired
wall
weary
work