英文關鍵字
chess
game
board
chessboard
man
senior
play
old
piece
move
thinking
player
clever
chessplayer
home
wooden
vintage
person
retirement
pension
leisure
lonely
alone
solitude
lockdown
knight
bishop
horse
black
white
room
living
nursing
den
patient
eyeglasses
eyewear
smart
concentrated
intent
puzzled
brain
training
mental
health
wisdom
strategy
older
figure