What does SIS stand for?

问题描述:

What does SIS stand for?

hmmm...it depends really...
could stands for Secret Intelligence Service,Silicon Integrated Systems,Satellite Information Services,Society for Interdisciplinary Studies,Society for Indian Studies.etc...too many different things.
HOWEVER,as far as im concerned,最常用的是小写的sis..就是short for sister :D
hope this is of some help!cheers!:)