地热能对世界未来能源的贡献是难以估计的。
The contribution of geothermal energy to the world's energy future is difficult to estimate.
这些气体对环境造成难以估计的破坏。
这次石油泄漏对环境造成了难以估计的损害。
The oil spill has caused incalculable damage to the environment.
这些只存在于将来，而且难以估计与衡量。
These exist only on the horizon, and they are less easy to assess and measure.
而卡扎菲的体系还能保留多少难以估计。
It is unclear how much of the colonel's system will be kept.
另外，用于研究的时间和金钱实在难以估计。
In addition, the time and money spent on space exploration is too much to calculate.
另外，用于研究的时间和金钱实在难以估计。
In addition, the time and money spent on space exploration is too much to calculate.
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