这个观念起源于苏联，在那里，大规模的远程教育已经开展了好多年。
The idea originally came from the Soviet Union where distance learning had run for many years on a large scale.
库恩博士和斯蒂娜博士认为分工实际上起源于一片更温暖的土地——最可能是非洲。在那里全年都能采摘到植物食物。
Dr Kuhn and Dr Stiner suggest that division of Labour actually originated in a warmer part of the world-africa seems most likely-where plant foods could be gathered profitably all year round.
问题是，迄今观测到的大部分外部行星——气态巨行星，太靠近他们的起源恒星，不可能在那里诞生。
The problem is that most of the exoplanets detected to date, being gas giants, are too close to their stars to have been born there.
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