deplete
- vt. 耗尽，用尽；使衰竭，使空虚
考试真题
- The reasoning behind this saying is that low oil prices discourage investment in new production capacity, eventually shifting the oil supply curve backward and bringing prices back up as existing oil fields—which can be tapped at relatively low marginal cost—are depleted.
出自-2017年6月阅读原文