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健康的森林生态系统同时支持自然和商业。
The key is to keep improving, to keep working hard.
When something is important enough, you do it even if the odds are not in your favor.
The Ethiopians say that their gods are snub-nosed and black, the Thracians that theirs have light blue eyes and red hair.
能源的未来在于传统能源与可再生能源之间的平衡。