Man tends to increase at a greater rate than his means of subsistence.
人类的增长速度往往超过其生存手段的增长速度。
逻辑学研究不仅仅是关于形式系统,更是关于人类推理的本质。
The minerals we extract today must serve the needs of future generations as well.
在医疗保健领域,走捷径从来不是选择。