【it is certain that no food is as good as】

发布时间：2021-03-18 15:52:45

it is certain that no food is as good as

网友回答

thatearned by one's own labor,为过去分词词组作后置定语,修饰that(=the food)相当于定语从句功效
that earned by one's own labor,=the food that is earned by one's own labor.
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