当没有人相信你的时候,你必须相信自己。
Natural experiments can provide valuable insights into economic questions.
资本主义的邪恶在于不公平的幸福分配。涉汇煮意的美德在于公平享受痛苦。
"Sustainable growth requires investing in both technology and people."
怀疑是艺术家最诚实的伙伴。