before drinking out of them as they have been stocked in warehouses and transported straight to the shops without being cleaned.
这些听装饮料在仓库存放并被运到商店后没有进行过清洗。The benefits vary: BOGOF or three-for-the-price-of-two deals are less valuable for perishable foods than for tinned goods.
收益也不是一成不变的：对于易腐烂商品来说，买一送一或买二送一的交易没有听装食品来着实惠。a study in spain showed that the tops of soda cans are more contaminated than public toilets i . e . full of germs and bacteria.
另外一项在西班牙进行的研究还表明，听装饮料的罐子顶部受细菌和病毒的污染的程度比公共厕所还高。Think of the crowds stocking up on bottled water and canned goods before a major storm comes through.
想想那些赶在大风暴来临之前囤积瓶装水和听装食品的人群，你就会明白其中道理。The latter prize quickly inspired the tin can, more of a blessing than food snobs might acknowledge.
后一个奖项很快便催生出听装罐头，它带来的好处比食品界那些假内行所认可的更多。Strawberries, peas, peaches, sweet corn, canned apple and a glass with two Tingzhuang can also be customized according to user requirements.
草莓，豌豆，桃，甜玉米，苹果罐头有听装和玻璃杯装两种，也可根据用户要求订做。Either way, try to keep a balanced diet including whatever fruits and vegetables (dried or canned if necessary) you can.
不管是哪种方式，你都要确保饮食均衡，尽量摄取定量的水果和蔬菜（干菜或听装食品也可以，如果你需要的话）。Have a sufficient supply of canned or dehydrated food, powdered milk, and canned juices for at least 72 hours.
足够72小时之用的听装食品或脱水食品、奶粉，听装果汁。Food in tins to be changed to plastic containers, or stainless steel.
听装食物打开后必须移到塑料容器或者不锈钢容器中