主要基于外观（包装，标签) Mainly based on appearance (packaging, labelling) 主要基于价格 Mainly based on price 选择经常在广告里见到的葡萄酒 Choose the wine you often see in advertising ..
Eni has committed to buying at least 750 billion cubic feet a year, one-quarter of total Italian demand, or pay for the gas anyway (the price is a formula basedmainlyon fuel oil).