Purchase the most recent tourist guidebook to your home town or region. You’ll learn a lot by playing the tourist once a year.
量子力学的本质不在于描述粒子的行为,而在于描述我们对粒子认知的行为。
The duties of all public officers are, or at least admit of being made, so plain and simple that men of intelligence may readily qualify themselves for their performance.
我尝试利用我的平台传播积极和善意,因为这个世界需要更多这样的东西。