在一部好的推理小说中,读者应该在阅读过程中既感到娱乐又感到挑战。
形容医生对待患者时应保持高度谨慎和责任感
The world has the technology - either available or well advanced in the research pipeline - to feed on a sustainable basis a population of 10 billion people.
The best way to predict the future is to invent it.