He spoke so fast, I can't make out the word he said at 2:05:8.
在既不能证实,也不能证伪的时候, ???(sounds like li3) ...
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Don't make me wrong. There is beauty in his language. His speech is very pleasant. I only wish he can slow down a little bit when it comes to jargons. – George Chen Oct 31 '14 at 16:35
……在既不能证实，也不能证伪的时候，存疑。这就是科学精神。……
