声音是一种永不停止进化的乐器。
The voice is an instrument that never stops evolving.
环保是我们不可推卸的责任，在开采过程中必须注重生态保护，实现可持续发展。
The most important thing in auction design is to create an environment where bidders feel comfortable revealing their true valuations.
"The greatest threat to the planet is the idea that someone else will save it."
