The past is a foreign country; they do things differently there.
We keep moving forward - opening up new doors and doing new things - because we're curious.
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。
每一次航行都是自然这本巨著中新的一页,由发现之手书写。
People’s behavior is shaped by their immediate environment more than we often realize.