英文關鍵字
activity
adult
alone
board
brother
casual
caucasian
checkmate
cheerful
chess
chessboard
closeup
comfort
competition
dad
enjoying
expression
father
gambit
game
grandfather
happy
hobby
home
indoors
interior
leisure
lifestyle
lonely
looking
male
man
mature
move
old
opponent
pastime
pensive
play
playing
portrait
reform
retirement
senior
smart
smiling
strategy
thinking
time