現在位置:演講 > ◆ 學者(英語)演講 -- (物理學家) Dr. Michio Kaku
" The World in 2030" // Are We Ready For the Coming 'Age of Abundance?'
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(諾貝爾獎- 經濟學家) Paul Krugman - The Return of Depression Economics
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Robert Reich: Politics and Principles // Where is America Going?
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Elizabeth Warren -- The Coming Collapse of the Middle Class
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