求翻译：只是到了距今1万2千年左右，随着农耕文明在美索不达米亚的出现，个人或家庭才有可能成为经济活动的主体是什么意思？

It was only dating back 2,000 years or so, with the farming civilization in Mesopotamia, the individual or family are likely to become the main economic activity

It was only 12,000 years or so ago, with farming civilization in Mesopotamia, and personal or family has the potential to become the main economic activity

Only arrives has been apart from about the now 12,000 millenniums, did not reach Mia aircraft's appearance along with the agriculture civilization in the American rope, individual or the family only then had the possibility to become the economic activity the main body

Only around 12,000 years ago, with the emergence of farming civilization in Mesopotamia, individuals or families may be the subject of economic activity

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