17号

afternoon,i study the six-sigma again.it's always make me exciting.it's very useful.i always can get much useful imformation from it.and some ideas which i think about for a long time but not get the answer,some is similar to my opinion.
god!!it's just prepare for me??
this is one of something can make me happy.
work come off.no time to write more.
i nearly forget my nethome in deed.