Leptin is the protein-related product encoded by obesity gene. It is mainly secreted by adipose tissue and can regulate metabolism of adipose and balance of energy.

瘦素是肥胖基因编码的蛋白相关产物，主要由脂肪组织分泌，调节脂肪代谢和能量平衡。

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Nowadays, petroleum is the foremost basic energy sources, chemical product and the strategic materials that related to national economy revitalization and national economic security.

石油是当今世界最为重要基础能源、化工原料和关系着国民经济振兴与国家经济安全的战略物资。

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Among those that do, the definition varies: 55% define sustainability as the management of issues related to the environment (for example, greenhouse gas emissions, energy efficiency, waste management, green-product development, and water conservation).

FORBES: Employee Engagement And Your Company's Bottom Line