the distance between Blacksmith and Carpenter just 158
but i can still buy the Blacksmith blueprint and can't remove it.
seems Carpenter doesn't count it to my town...
工作坊跟木工作坊的距離只有158，
但是我仍然可以購買工作坊的藍圖並且無法拆除，
看起來木工作坊沒有把他算進我的城鎮...