Children have super memory, and they remember better when they can operate with their hands and only with their eyes.
孩子有超强的记忆力,当孩子可以动手操作而仅用眼看时,会记得更好。
每个采石场都有一个写在岩石层和几代工人中的故事
我们的运营许可既取决于技术能力,也取决于社会认可。
Sustainability isn't just an option; it's our responsibility to future generations.