利益动机是质量安全问题的重要原因。
食品质量安全问题已成为民众关注的焦点。
People all pay attention to food quality security now, that have become a focus.
近年来，我国农产品质量安全问题日益突出。
Recent years, the problem about quality safety of agricultural products becomes more and more serious in our country.
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