If you want to have an infinitestimally small change, you end up writing dh is dq sub p.
这是对于有限的变化而言的,如果是一个无限小的变化。
All change begins in the mind of single person or a small group."
所有改变从一个人或一小众人的思想开始“
Change of--some small percentages, from eating? Not a problem.
一些微小的变化,比如吃饭?,没问题。
Margaret Mead, the anthropologist: "Never doubt that a small group of thoughtful, committed citizens can change the world.
人类学家Margaret,Mead说:,“永远不要怀疑一小群,有思想,坚定的市民可以改变世界。
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