All these actions relied on the power of social media to synchronize the behavior of groups quickly, cheaply, and publicly, in ways that were unavailable as recently as a decade ago.
所有这些依赖于社会媒体工具而形成的统一的、快速的和公共的行动,在10年以前是无法想象的。
Until the eighteenth century, people relied on energy derived from plants as well as animal and human muscle to provide power.
直到18世纪,人们还依赖于来自植物、动物和人类肌肉的能量来为自身提供动力。
If these are successful, they could bring sweeping changes to the automobile industry, which has relied almost exclusively on petroleum to power its cars.
如果这些车款能够大卖,那就会给汽车业带来翻天覆地的变化,因为车界向来几乎完全都依赖石油来驱动车辆。
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