utilities

• As production increased, the utility cost could go up too .
  随着生产的增加，其公用事业费也将上升。
• 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。
• I am a beauty-merchant, a trader in song, and i pursue utility .
  我是个贩卖美的商人、推销歌曲的贾客。我追求的是实效。
• They urged reduced utility rates for hard-pressed residential users .
  他们强烈要求对经济困难的居民用户降低电力煤气价格。
• With arne he climbed into an ancient, wheezing model-t utility truck .
  他和阿纳爬上了一辆旧的呼哧呼哧直响的T型通用货车。
• It's investigations have led to better regulation of public utilities .
  它的各项调查促进了有利于公共利益各项立法的诞生。
• A certain utility cost would be incurred whether there was production or not .
  不管是否生产，一定的公用事业费总是要支付的。
• Diminishing marginal utility also expresses a "variety is the spice of life" .
  边际效用递减也表现为一种“多样化是生活乐趣”。
• Utility is a measure of expression of an individual consumer's tastes and preferences .
  效用是表达个人消费者兴趣和偏好的量度。
• We may begin with an analysis exactly parallel to that of our utility theory .
  我们或许可从与我们的效用理论完全相似的分析开始。