食品安全是世界各国都面临着的问题，无论是发展中国家还是发达国家。
Food safety is a problem in all places around the world—in developing and developed countries.
世界最大食品公司雀巢迄今为止对于商品价格上涨的问题处理的很好。
Nestlé, the world's biggest food firm, has so far coped well with the rise incommodity prices.
但这说明世界并非一定是面对食品价格波动的问题。
This means that the world does not necessarily face a price volatility problem.
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