Yet in many countries such measures as these have become routine. This is because energy is limited and there are many side-effects to building new power-generating facilities, so that power load management has become essential.
這些作法在許多國家都已被視為再自然不過的事，因為﹘﹘能源有限、電廠後遺症太多，電力負載管理已刻不容緩。