求翻译：20世纪70年代初期，人们寻找世界经济发展新途径的思想和行动都是积极地，但是人们当时对障碍世界经济社会发展的原因和本质的认识还是有限的。是什么意思？

The early 1970s, people find new ways to world economic development ideas and actions are positive, but it was the world's economic and social development of the disorder causes and nature of knowledge is still limited.

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20th century 70's initial period, the people seek the world economics to develop the new way thought and the motion all are positively, but the people at that time to the barrier world economics social development reason and the essential understanding were limited.

In the early 1970 of the 20th century, people looking for new ways of thinking and action for the development of the world economy are positive, but one obstacle at that time world awareness of the causes and nature of the economic and social development is still limited.

In the early 1970 of the 20th century, people looking for new ways of thinking and action for the development of the world economy are positive, but one obstacle at that time world awareness of the causes and nature of the economic and social development is still limited.