preference duty

基本解释

Goods under duty reduction or exemption is a tariff preference measure that the state gives to the qualified enterprises and units.
减免税货物是国家对符合条件的企业、单位而实施的一项税收优惠措施。
guangzhou.customs.gov.cn
However, our countries' law system concerning venture investment' s duty preference has many defaults, which is much less enough to meet the demand of venture investment.
然而，我国现行的税收优惠法律制度存在许多问题，远远不能适应风险投资业的发展。
You can always buy Quinoa and use it as double-duty protein &carbohydrate, but it’s quite expensive here, and I’d prefer rice for the texture and just a childhood preference.
你可以经常买藜麦，他有蛋白质&淀粉两种功效。但是这儿的藜麦很贵，所以我更倾向于大米，给小孩选这个不错。

To defeat corruption is to enforce the distinction between private preference and public duty wherever it is flouted.
ECONOMIST: Stop the rot