Older ideas of "land protection" may have tried to take into account issues of lifestyle, productivity, and ecology while also incorporating principles of conservation, but their planners had no way of predicting where the nation's economy would head-well beyond the limits of what they had planned for.
檢視過去的國土保安觀念，雖然是以生活、生產、生態並重為原則，納入環保概念，但卻又難以阻止在自由經濟趨勢下的超限利用。