一个地方的灵魂常常隐藏在它的寂静中。
每一块石头,每一棵树,每一条河流都有一个故事要讲。
We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.
过度捕捞是一场危机,但正确的水产养殖可以成为解决方案的一部分。