The government said last week that wholesale prices for food spiked in April — the biggest monthly jump in more than a year. Beef, pork, vegetables, fruit, eggs all rose in price. Some economists saw the increases as good news: it eased their fears of a deflationary spiral. But do American consumers, now experts in penny-pinching, have to worry about higher prices down the line?
Or do last month’s figures simply represent normal volatility, with price ups and downs essentially even for the year or even down? What factors put pressure on food costs?
翻译一下啊，主要是第二段