调查显示，缺乏热情可能源于对隐私和安全的担忧。
According to the survey, that lack of enthusiasm could stem from concerns about privacy and security.
印度飞速增长的经济极度缺乏能源。
高额的成本限制许多解决方案：如水脱盐不仅需要高额的花费，而且要求巨大的能源，这同样也是个缺乏的资源。
High costs limit many technological solutions: Water desalination, for example, is not only expensive but requires a huge amount of energy, another resource in short supply.
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