i know!
3 `" w0 a, k- p' Xwhen they can have 15 mins discussion.
+ t, n* J g4 I/ c+ Vtvb now,tvbnow,bttvbmake 1 of them to do a specific job whcih is counting
b, ?9 |5 n! C5 sonly him can turn on off off the light.* j9 Y1 ^( X. t$ X7 D4 W! G
Basically, if you are the first time to get in the room, turn on the light, 公仔箱論壇! b2 |0 D" Y9 J* z+ ^6 S4 f
then wait for "the special man" to turn the light off....
7 J% u" A2 |2 [, r7 c% M公仔箱論壇when "the special man" count in up to 30 (included himself)6 V4 W) |5 j* E9 [" b1 E
then it is done! |