欠债还钱是理所当然，特别是那些因为有石油而游手好闲的国家。
Of course, debts should be paid, especially by deadbeats awash in oil.
廉价的能源，特别是廉价的石油，确实促成了空前的经济高涨。
Cheap energy, specifically cheap oil, quite literally fueled this record economic expansion.
石油成功的秘诀是在于它的便于储存性和特别高的能量密度。
The secret of oil's success is its portability and extraordinarily high energy density.
石油成功的秘诀是在于它的便于储存性和特别高的能量密度。
The secret of oil's success is its portability and extraordinarily high energy density.
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