可持续发展不仅仅是趋势,它是皮革鞣制的未来。
经济增长的过程不是平稳和连续的;它以突飞猛进和停顿为标志。
"Understanding the mechanisms of life is like unraveling the greatest mystery of the universe."
The most important thing is to have a vision of what you want to do and then to have the persistence to carry it out.