????1. ????????????? "???" ?????? "????"
?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????-- ????????“???”????????????????????????????“????”??“??????”??????????????????????????????????????????????????????????????????????????????PM?????????????????????????????????????????????λ??????????“???????”????е????“??????”????????????????????????????????????????????ζ?????????“????????????????”??
????2. ??????????? “???” ???????????
??????iPhone??е???????????????????????????????????????????3??????app store????????????????????????????????????????? “???” ???????????Most people think design means how it looks and feels. But if you dig deeper?? it’s really how it works. ??????????????????о??????????????????????????how it works.??????????????о?????????о??????????????????????
???????磬OXO????????????????OXO???б????????“showing the amount-markings at an angle?? so users can easily read the amount as they fill the cup. ” ????б??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????о??????κβ?????????????????????????????????δ??????????????????????????
????3. ?????????????????
?????????????????????????????????????????????????ε??????????????????????????????????????????????????????????????????????????????????????????ζ????????????????????????????????????????????develop people?????????????????????????????????????????