没有必要担心食物和饮料，因为我们将提供三明治和咖啡，可能还有饼干。
There's no need to worry about food and drink as we'll be supplying sandwiches and coffee, possibly some biscuits.
这项研究包括144名志愿者，他们被要求比较了他们认为是传统和有机生产的巧克力三明治饼干，纯酸奶和薯片。
The study included 144 volunteers who were asked to compare what they believed were conventionally and organically produced chocolate sandwich cookies, plain yogurt and potato chips.
他们正在吃什么？他们正在吃三明治，蛋糕和饼干。
What are they eating? They are eating sandwiches, cakes and biscuits.
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