i know!( ?( F% h. L! i7 _
when they can have 15 mins discussion.tvb now,tvbnow,bttvb; s4 b( ~! T% F' {+ F
make 1 of them to do a specific job whcih is counting
- Y% S4 ]% c" Donly him can turn on off off the light.9 V" S4 b7 |% S3 }( V- r3 C+ j
Basically, if you are the first time to get in the room, turn on the light,
. B! T/ m% Y! m+ _公仔箱論壇then wait for "the special man" to turn the light off....5.39.217.760 R% t& R) X4 h5 G# R
when "the special man" count in up to 30 (included himself)# r8 ^/ @' a# P3 l' r
then it is done! |