英文關鍵字
airport
architecture
backdrop
black
board
building
business
choice
city
colour
concept
concrete
construction
corporate
dark
design
empty
feet
floor
geometric
graphic
guidance
guide
hospital
industry
information
laboratory
layout
line
man
modern
old
pavement
quick
road
room
square
step
street
strip
swatch
symbol
technology
texture
tip
traffic
useful
wall
way
yellow