21世纪初，混合动力汽车开始流行，当时汽油的价格上涨，混合动力汽车的价格下降。
Hybrid cars became popular in the 2000s when petrol prices went up and the prices of hybrid cars went down.
高价格对贫穷有着混合影响：它伤害任何一个因更贵的食品受到的损失比他因更高的收入而获得的收益更大的人。
High prices have a mixed impact on poverty: they hurt anyone who loses more from dear food than he gains from a higher income.
更为灵活的混合合同日渐流行，是首份价格协议重要性下降的又一个迹象。
The increasing popularity of more flexible hybrid contracts is another sign of the settlement's waning importance.
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