64seconds# s$ { a" c% Y4 ^1 ]3 f5 S4 M* k
. b ?9 n4 l5 e% ^
1 to 4 have 3floors = 48 sec公仔箱論壇& \* R1 H# d& O F0 t- Y
avg. 48/3 = 16secos.tvboxnow.com/ k8 ~, m6 Q/ }# ?' e! n
os.tvboxnow.com+ f: R/ v' a1 s* b
4 to 8 have 4floors = 16x4/ e( u8 C9 ^6 q1 O- w; y8 I2 D
= 64secs |