定义 中文名称： 食物净值 英文名称： net food value 定义： 觅食者所得的食物总能量减去觅食者搜寻和消化食物所消耗能量的差值。 应用学科： 生态学（一级学科）； 行为生态学（二级学科） 以上内容由 全国科 基于1
权威例句
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"While it is highly likely that sales will have deteriorated in some food lines, such as value burgers, other categories may have benefitted, meaning that there is little net loss overall, " he said.