Listen to your customers more than you speak to them - they'll tell you exactly what you need to know.
多倾听你的客户,而不是对他们说话 - 他们会告诉你你需要知道的东西。
我们开采的每一吨煤炭都必须以最小的环境影响创造最大的价值。
The best art is the art that changes you.