Men and women differ in their reproductive strategies because they have faced different adaptive problems throughout evolutionary history.
柴油发动机是当今已知效率最高的原动机。
The harder you work, the luckier you get.
我不把任何事视为理所当然,我通过努力获得一切成就。
If they're all lies, shouldn't we try to stay away from them? But we can't.
The body is a landscape of pain and beauty.