If Brazil's economy is to benefit from oil, rather than be dominated by it, a big chunk of the proceeds should be saved offshore and used to offset future recessions.
The February stimulus package was badly designed, and its anaemic effects offset by soaring oil and food prices.
二月份一揽子刺激方案的设计很糟糕，它的效果被高涨的石油和食品价格抵消了。
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“Even if oil demand were to remain flat, the world would need to find more than 40m barrels per day of gross new capacity—equal to four new Saudi Arabias—just to offset this decline,” says Mr Birol.