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1·Already apparent is a crisis of soaring food prices which could undermine the foundation of health, adequate nutrition.

显而易见，食品价格飞涨的危机会破坏卫生和充分营养的基础。

2·Like termites chewing away at the foundation of a strong building, doubt can undermine our strongest beliefs.

就像啃食大厦基座的白蚁，怀疑会暗中破坏我们最坚定的信仰。