求翻译：从以上定义可得出，“地沟油”是严禁用于食用油领域的。但是，也确有一些不法商贩在私自生产加工“地沟油”。为何如此？利益驱使、监管不力、商家的诚信缺失等“人”的因素是主要原因。是什么意思？

Can be drawn from the above definition, "waste oil" for cooking oil fields is strictly prohibited. However, there are also some unscrupulous traders in the unauthorized production and processing of "waste oil." Why? Motivated, lack of supervision, lack of business integrity and other "human" factor

From the above definition can be concluded that, "trench oil" is strictly prohibited in the field for edible oil. However, there are some unscrupulous traders in clandestine production processing " trench oil". Why is it so? driven by interests, lack of supervision, businesses, such as the credibili

May obtain from above definition, “the ditch oil” is forbid strictlys using in the cooking oil domain.But, also really has some illegal commerce to produce the processing secretly “the ditch oil”.Why so? Benefit obligation, supervising and managing not strength, business's good faith flaw and so on

From the above definition can be drawn, "waste oil" is strictly forbidden in the edible oil field. However, they do have some bufashangfan in the production process without permission "waste oil". Why? Profit driven, poorly regulated, merchants and lack of credit and other "human" factor is the main

From the above definition can be drawn, "waste oil" is strictly forbidden in the edible oil field. However, they do have some bufashangfan in the production process without permission "waste oil". Why? Profit driven, poorly regulated, merchants and lack of credit and other "human" factor is the main