To do mathematics is to engage in an act of discovery and conjecture, intuition and inspiration.
In this business, if you're good, you're right six times out of ten. You're never going to be right nine times out of ten.
相关系数的可能误差不是一个固定的量,而是取决于样本的大小。
Innovation in forestry practices is the key to balancing economic growth and environmental preservation.