The public is wonderfully tolerant, it forgives everything except genius.
The true measure of agricultural success is not yield alone, but the health of the ecosystem that produces it.
对于系统,翻版的模拟是在控制图中添加一个创建循环的边,而不仅仅是一个附加节点。
The two most important days in your life are the day you are born and the day you find out why.