单词：negative utility
negative utility的用法和样例：
例句
- Utility varies in relation to individual tastes and to geography.效用根据个人的爱好和地理环境而有所不同。
- But the utility is overly restrictive in time and states of nature.但是可加效用对时间和自然状态有着太多的要求。
单词：negative utility 相关文章
[0:0]urban城市的 [0:32.7921]urge urgent utility utilize鼓励，激励 紧急的，急迫的 功用，效用 利用 [1:11.2978]utmost vacant vacuum vague极度的，最大的 未被占用的，空着的 真空 含糊的，模糊的 [1:52.9962]vain valid vanish variable徒劳的，无效的 有效的，
闭着眼睛飘单词 四级词汇
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听听测测
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健康与环境
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音乐咖啡厅
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英语口语