Our Calculus lecturer taught us a new word..[cocksure]

He asks us to google it if we don't believe that this word is existing.

Show you guys a boring stuff~swt

I hv written some note during the class..
but eventually, i found that i dont understand some part that i wrote..
let's show u..

I m lazy on blogging..

i knew that, i m not efficient on blogging..
my gosh, i m lazy..
hehe..i cant stick on the laptop all the time..
and i can't mention mylife by typing..
i prefer talking..
so, plz come and hv a face2face talk withme..
hehe