A recent panel debate led by the Guardian's Katine website and Farm-Africa discusses precisely this question: how can African smallholder farmers transform themselves into entrepreneurs?

最近由卫报的凯廷网站(译注：Katine为乌干达一地名)及“农耕非洲”发起的一个小组讨论的恰好是这个问题：非洲的小农场主如何能变为农业企业家？

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What it does not help answer is the question of whether modern humans left their African homeland once or many times.

但却不能回答下面的问题：现代人是否曾经或不止一次地离开他们的非洲故土？

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Under the influence of the widespread postmodernism, she calls African American history into question.

在后现代主义思潮的影响下，她对美国黑人历史产生了质疑。

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He went on to accuse Equatorial Guinean officials of lying about statements obtained from suspected coup plotters in order to convince South African authorities to question Sir Mark.

BBC: NEWS | UK | Thatcher attends 'coup plot' case

The student asked this question very gently and non-threateningly, but her directness and the fact that she was an African American woman herself caused her question to rattle around my brain like a course of electric shock therapy.

FORBES: Why It's a Mistake for Doctors to be Color Blind

Yesterday, we took a look at the question of why African-American men have among the highest unemployment rates of all groups in this recession.

NPR: Women Of Color Lag Behind In Wealth