Only...

值得我们深思的一段话......
Only after the last tree has been cut down,
Only after the last river has been poisoned,
Only after the last fish has been caught,
Only then will you find that money cannot been eaten.
人类为了生活、进步而努力，那是无可厚非。
那么，在进步当儿，我们是否忽略了什么......