可引用的發言段落Citable transcript turn
#71668
講者：Speaker:
Who knows? Smart phones were very expensive, and the price kept going down.
鍵盤快捷鍵Keyboard shortcuts
j 下一段next turnk 上一段previous turn
可引用的發言段落Citable transcript turn
講者：Speaker:
Who knows? Smart phones were very expensive, and the price kept going down.
j 下一段next turnk 上一段previous turn