首頁
Home
講者
Speakers
對話
Speeches
/
發言
Speech
by
Rufus Pollock
Half, 50 percent. What do you guess?
2017-02-14 Open discussion with Rufus Pollock
顯示前後文
Show context
← Is it half, 50 percent?...
(pause)... →
鍵盤快捷鍵
Keyboard shortcuts
j
下一段
next speech
k
上一段
previous speech