Cape Verde Prime Minister Jose Maria Pereira Neves says the Economic Community of West African States defends strict compliance with constitutional order and respect for the rule of law.

VOA: standard.2009.08.14

v We don't know what it is yet. In order to change this from a p to a V, you have to use the chain rule. So let's use the chain rule.

为了把这里的p变成,我们需要利用链式法则,好，让我们使用链式法则。

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