My prediction is there will be new version coming out every

few years to take care of that...

所有跟帖： 

• 幾年太少了，應該在十幾年，與SARS到新冠相當。 -周老大- ♂ (0 bytes) () 09/06/2023 postreply 08:48:50

• 地支十二年是個相當好的數字 -周老大- ♂ (0 bytes) () 09/06/2023 postreply 08:50:44