Rather, it was a fundamental change in the technology the Mesopotamians used to produce food: the adoption of the plough.

相反地，是美索不达米亚常常生产食物的技术的一个基本改变——犁的采用，导致了社会的转变。

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We also renewed our commitment to elevate our relation at higher level for comprehensive partnerships, and I welcome also the future cooperation between Indonesia and the United States in various fields such as trade and investment, education and technology, climate change, food and energy security, countering communicable diseases and also counterterrorism and people-to-people contact.

WHITEHOUSE: Shangri-La Hotel, Singapore