这是因为惩罚措施不严厉，生产污染食品的利益要远高于生产优质产品的利益。这样的犯罪将持续发生。
Because the punishment for food contamination is not serious, and the profits are much higher than producing standard goods, this kind of crime is repeated.
假如我们更多地收旧利废，我们就不必生产这么多也就不会有这么严重的污染。
If we recycled more waste, we wouldn't need to produce so much and there wouldn't be so much pollution.
食品生产有许多道工序，这会带来温室气体和其他污染物。
There are many procedures involved in the manufacture of food that result in greenhouse gases and other pollutants.
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