The earth give us enough material wealth to meet the needs of everyone, but not enough to satisfy every man's greed.
地球上提供给我们的物质财富足以满足每个人的需求，但不足以满足每个人的贪欲。
Because of alignment rebar, on the futures market receiving has the certain difficulty, cannot satisfy the end-user needs, this kind of resources in order to meet only to steel.
因为一线的螺纹钢，在期货市场收货有一定的难度，不能满足终端用户的需求，这类资源只能向钢厂订货才能满足。
The electric power system entails enough reactive power to meet the needs of consumers and the network. To satisfy numerous node voltages, reactive power should be balanced locally and hierarchically.
电力系统的负荷需要消耗大量的无功功率，而无功功率平衡要满足众多的结点电压，就需要分级分层就地平衡。
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