皮革行业必须进化，否则就有被淘汰的风险。
The leather industry must evolve or risk becoming obsolete.
Some of life,you have to go to great challenges.
Well may the boldest fear and the wisest tremble when they contemplate the situation of our country.
词语不是透明不变的晶体；它是活的思想的外衣，会因使用环境和时代的不同而大幅改变其色彩和内容。