"Men and women differ in their desires for short-term mating because the reproductive benefits and costs differed for our ancestors."
男性和女性在短期择偶欲望上存在差异，因为这对我们祖先的繁殖利益和代价不同。
Sustainability isn't an option—it's a necessity for the future of our planet.
现在不是轻松舒适的`时候.现在是大胆和忍耐的时候。