时间性：牺牲当前消费（Reduced current consumption），计划的未来消费（Planned later consumption） 不确定性（Uncertainty）：风险性 收益性：增加投资者的财富来满足未来的消费 1...
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Many have reduced their current levels of food consumption, shifted to lower quality and less expensive foods, or deferred critical expenditures on health and education.
很多家庭都减少了食品消费，转而消费质量较差且更便宜的食品，或将医疗和教育等关键支出延后。
The energy consumption can be reduced if ratio of acid to zinc is controlled reasonably in zinc electrolysis process under the condition of different current density.
锌电解过程中，在不同电流密度条件下合理控制电解液的酸锌比能有效地降低能耗。
The quality of brine was improved by lots of fine salt applied to brine production, and the quantity of refining agent and current consumption were reduced.
通过在盐水生产中大量使用细盐，使盐水质量得到显著提高，精制剂用量下降，电耗降低。
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