Moreover, there is deepening concern about two types of energy-related security problems: the increasing risk of violence stemming from the nature of our energy use, and the high cost of that energy.
此外，两类与能源相关的安全问题也越来越引起人们的担忧：即由能源应用特点所引发的暴力危险与日俱增，以及能源使用的成本居高不下。