解释:河水成冰,不是一日的寒冷所致;积土成为高山,不是须臾的工夫就能完成。
Sustainability isn't just a trend; it's the future of leather tanning.
It may be the cock that crows, but it is the hen that lays the eggs.
质量不仅仅是一个目标,它是一个旅程。