在山中行走十里,气候就会突然不同
Sustainable forestry is not just about cutting trees; it's about ensuring the future has forests to cherish.
发现可能性的极限的唯一方法就是超越它们,进入不可能。
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.