问答题

How can we meet the needs of today without diminishing the capacity of future generations to meet theirsSustainable development implies a broad view of human welfare, a long-term perspective about social development.
Write an essay which should cover:
1) describing the set of drawings below;
2) stating its main idea and
3) giving your comment.

【参考答案】

The images above are both meaningful and instructive:this ma......

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