Oddbean new post about | logout
 γƒšγƒ³ε…₯γ‚Œγ‚’ε°‘γ—γšγ€γ‚„γ£γ¦γ‚‹γ‘γ©γͺかγͺγ‹η΅΅γŒε‡Ίζ₯δΈŠγŒγ‚‰γͺい