With mathematical analyses, this paper proves one kind of new inequality including radical, which shows the profound of limit in dealing with normal mathematics problems.

用数学分析的方法证明一类含根式的新不等式，展示了极限思想在处理一般数学问题时的深刻性。

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"The insecurity we have in Haiti - the real cause, the profound cause, is poverty, inequality and underemployment, and if UN wants to do a good job in Haiti they have to put as much emphasis in Haiti on development as to the military aspect, " Mr Latortue said.

BBC: NEWS | Americas | Tackling Haiti's chronic problems

This decline of work among less skilled white men has had profound social consequences, which in turn have exacerbated income inequality.

ECONOMIST: The United States: The rich and the rest | The