New sources of energy must be found， and this will take time， but it is not likely to result in any situation that will restore that sense of cheap and plentiful energy we have had in the times past.
我们必须寻找新的能量资源，这诚然会耗费时间，但却不会让我们再次孳生廉价能量取之不尽、用之不竭的想法。
New sources of energy must be found， and this will take time， but it is not likely to result in any situation that will restore that sense of cheap and plentiful energy we have had in the times past.
我们必须寻找新的能量资源，这诚然会耗费时间，但却不会让我们再次孳生廉价能量取之不尽、用之不竭的想法。
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