Sour milk is the worst, especially if you don't realize it's gone bad until you've already poured it into your cake batter or coffee mug.

牛奶酸腐是最糟糕的，特别是你在没有意识到它坏了的情况下，把它倒进备烤的蛋糕或咖啡里。

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But the milk is full of white blood cells that thicken and make the milk go bad more quickly.

但是这种奶中含有大量的白血细胞，会使牛奶变浓并会更快的变坏。

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Here comes the dairy section. Can you see that milk and yogurt are kept in the freezer? That is because they can easily go bad at room temperature.

这儿是奶制品区。你看到牛奶和酸奶都放在冷柜里了吧？那是因为它们在室温下很容易坏。

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But it is clear neither that supermarkets are to blame for this the price of milk is largely determined by global commodity markets nor that consolidation is bad for the industry as a whole.

ECONOMIST: Supermarket competition

The winning project, Milkmaid, is a quart size glass milk jug that can sense when your milk will go bad.

FORBES: Digital Milk Jugs: A Product Worth Developing?

National liberals have not been much better, spending most of their time bad-mouthing milk and advocating fat taxes, which is apparently a recreational activity at the increasingly vitriolic Center for Science in the Public Interest.

NPR: Rabid Reader: 'Fat Land' and U.S. Supersizing