Nkebi ahịrịokwu 1: Dabere na US Census Bureau, ógbè ahụ nwere ngụkọta nke ala na mmiri (pasent 2.1). Nkebi ahịrịokwu nke abụọ: Dabere na U.S. Census Bureau, ógbè ahụ bụ mpaghara ala dum nke ala na mmiri dị pasent 2.1. Ajụjụ: Ọ̀ bụ otu ihe ka ahịrịokwu nke mbụ na nke abụọ pụtara? Ee ma ọ bụ Ee e?
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