劳动分工受市场规模的限制。
The division of labor is limited by the extent of the market.
数学的研究是所有智力和精神进步不可或缺的基础。
The ethical implications of gene editing must be considered at every step.
The ability to observe and control electron motion in real-time opens up new frontiers in understanding the fundamental processes of nature.
最好的领导者是那些能够授权他人领导的人。
宇宙是一个巨大的地方，也许是最大的。
爱与战争是同一枚硬币的两面。