What is GB and CB?

lingling

can anyone to tell me about thattvb now,tvbnow,bttvb6 Z2 V4 w- ?7 [5 a; g1 i! D
what is GB and CB?www.tvboxnow.com8 ?# x( z( }6 g9 Q  V
tvb now,tvbnow,bttvb) @6 H$ s8 L) \  s
because i saw a post talk about thattvb now,tvbnow,bttvb( U; y" E; N$ t3 b! Q% g
http://www.tvbnow.com/thread-72978-1-1.html