選択的
backgammon
bet
black
board
check
checkers
competition
competitive
concept
dice
draught
entertainment
fun
gamble
game
gammon
match
orange
pair confrontation
piece
pip
plan
play
purple
recreation
reflection
risk
roll
set
shallow
shapes
smart
standing
stone
strategic
strategy
success
successful
table
think
turn
victory
white
win