【1710】評論
“an estimated“是一个固定的短语，表示数量上的估计，意思就是”大约为，估计为“……an estimated is just a modifier to indicatethe 2 million people is not exact, so the verb form would be plural. (approximately2 million people are)E.g.Every year an estimated five million children under the age of five die ofnutrition -related causes