每一个科学进步都迫使我们面对新的伦理问题。
如果我们想应对全球粮食安全的挑战,跨行业和跨国界的合作至关重要。
The stock market is a device for transferring money from the impatient to the patient.
Success comes from a combination of hard work, perseverance, and a bit of luck.