矿工不产生价值,医生治病救人。
所有跟帖:
• zero sum game -onlyone1074- ♂ (0 bytes) () 02/16/2024 postreply 09:02:40
• x -ZeroSumGame- ♂ (0 bytes) () 02/16/2024 postreply 09:07:59
• "what can be divided by zero" -成功的三少爷- ♂ (0 bytes) () 02/16/2024 postreply 09:28:41
• zero sum game -onlyone1074- ♂ (0 bytes) () 02/16/2024 postreply 09:02:40
• x -ZeroSumGame- ♂ (0 bytes) () 02/16/2024 postreply 09:07:59
• "what can be divided by zero" -成功的三少爷- ♂ (0 bytes) () 02/16/2024 postreply 09:28:41