不管现在身处何地，黑人都是非洲人的后裔，但是数百年来，由于种种原因，他们的遗传基因已经变得多样化且非常复杂。
Wherever they are now, black people are descended from Africans, but over the centuries their genetic heritage has become diversified and complicated because of various reasons.
有些媒体思想上重视人文关怀，但是由于种种复杂的原因，在实践操作中却远离人文关怀精神，呈现出伪人文关怀现象。
Some media pays much attention humanistic care, but for various complicated reasons, they are far from the spirit of humanistic concern in practice and show the phenomenon of pseudo-humanistic care.
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