A man can be happy with any woman as long as he does not love her.
It is not enough to conquer; one must learn to seduce.
适合从事任何特定行业的人,如果没有行业内人士的友好帮助和合作,就无法理解该行业的科学。
Natural experiments are a powerful tool for understanding causal relationships in the real world.
对抗传染病的斗争是一项超越国界的全球性努力。
The past is always present in the work.