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材料的質量反映了品質的質量。

We came to get down, we came to get down

Sustainability isn't a cost center; it's the ultimate driver of long-term profitability.

【大意】太陽不知道黑夜的情況，月亮不了解白晝的景象，太陽與月亮都有光亮可以照明，卻不能兼知黑夜與白晝的情景。