Venezuela devalued the bolivar for the second time in a year, abolishing a preferential rate of 2.6 bolivares to the dollar and unifying the official exchange rate at 4.3.

委内瑞拉贬低玻利瓦尔汇率，这已经是一年中的第二次。这次废除了原来1美元对2.6波利瓦尔，并将官方汇率定在1美元兑换4.3强势玻利瓦尔。

youdao

This means that if an enterprise is within the zone, it will enjoy the preferential tax rate of 15%.

这就是说，如果某一企业位于该经济开发区内，它将享受15%的优惠税率。

youdao

Peasants' preferential choice of usury doesn't necessarily mean that they are foolish but that success rate is more important than high interest rate.

农民在求贷的途径选择上，优先选择“高利贷”，是因为求贷的成功率与高利息相比，成功率更为重要。

youdao

Many, but not all, preferred shares produce qualified dividend income that is taxed at a preferential rate of up to 20% versus the ordinary-income rate of as much as 39.6%.

WSJ: For Investors Seeking Income, Preferred Stock May Make Sense

If there is going to be a preferential rate for capital gains, people are going to try to structure as much of their income to take the form of capital gain as possible.

FORBES: Carried Interest Debate Heats Up Without Much Light

The claim is that a preferential tax rate is a subsidy: renewables have preferential tax rates therefore they are receiving this subsidy.

FORBES: National Geographic's Howling Ignorance About Fossil Fuel Subsidies