文档介绍：Food Contamination(食品污染)
From time immemorial，food contamination has become a common phenomenon in China，ranging from poisonous milk power to the plasticizers in huge quantities of beverages and food exported to the mainland. The public has experienced so many crises of food contamination that only the most deadly cases would create some sensations，which soon pass into oblivion with the quick occurrence of new ones.
contamination is indisputably detrimental. The poisonous milk power has bereaved many young couples of their innocent and lovely new babes. Some contaminated foods lead to irreversible and chronic diseases. Some affected individuals，though without visible aftermaths，may suffer from lingering psychological trauma. However，the hazards produced by food contamination are more moral than physiological—with contamination cases cropping up here and there，the credibility of the entire society has been ruined and people find nothing and nobody to be trustworthy.
Technically, food contamination is caused by the introduction of illegal additives and non-edible chemical substances into the manufactured food. Morally，it results from the sheer drive for profitability by gluttonous merchants who use cheaper，and often harmful，substitutes，all at the expense of the physical welfare of the public. To address the problem，some appeal to the moral conscience of the b