The beauty of mathematics only shows itself to more patient followers.
Every murder leaves two victims: the deceased and the killer.
The next green revolution won't come from a lab alone—it will come from farmers' fields around the world.
解读:知晓道理容易,付诸实践却困难重重,很多人困于理论,缺乏行动力,知行脱节带来巨大的挫败感与自我怀疑,督促人行动起来。
经济景观是一个由不同等级的中心地组成的系统,每个中心地为特定区域服务。