效率是工程的诗歌。

The best preparation for tomorrow is doing your best today.

石材行业必须拥抱可持续发展才能长久生存。

解析：史与经的区别在于事与道。

"The goal is not to mourn the lost futures, but to use them as a resource for the struggle to come."

Profitability and responsibility are not opposites; they are two sides of the same coin.