A simple consumption tax of, say, 5% would significantly reduce the country's huge government deficit without damaging productivity.
简单的消费税，比如说，5%，就可以显著减少国家巨大的政府赤字，而且不损害生产力。
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But Cuban oil consumption appears to have risen sharply, because the government dealt with chronic ower-cuts by buying thousands of thirsty diesel generators.
The new tax is meant to reduce fuel consumption and fight pollution. Rather than further raising the tax on fuel, which increased by almost 20% in June, the government is taxing gas-guzzling cars.