英文關鍵字
abstract
army
battle
black
board
business
challenge
chess
chessboard
choice
closeup
competition
concept
conflict
corporate
dark
decision
development
fight
figure
game
image
intelligence
isolated
king
knight
leader
leadership
leisure
move
nobody
office
pawn
person
piece
play
queen
strategy
success
teamwork
think
victory
white
win