水果产业要发展，必须从种植源头抓起，品质是生命线。
To develop the fruit industry, we must start from the source of planting. Quality is the lifeline.
从n对观测值的样本中获得的相关系数的可能误差是sqrt((1-r²)/(n-2))。
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.
The idea that higher wages necessarily lead to fewer jobs is too simplistic.
Memory is like a phantom, or like a friend who betrays you.
为了成为一名好老师，教育者必须是一位心理学家。
我相信梦想的力量。
The world is so full of people, so crowded with these miracles, that they become commonplace and we forget.