The leather industry must evolve to meet both environmental standards and consumer expectations without compromising quality.
"我写作是为了逃离影子,但最终总是找到它。"
The magic, the wonder, the mystery and the innocence of a child's heart are the seeds of creativity that will heal the world.
数学与物理之间的相互作用带来了科学上一些最深刻的见解。