The leather industry must evolve or risk becoming obsolete.
现在如果送给别人很少的东西,却希望人家回报很多的东西,那么,人们就会怕你再送东西给自己了。
Geology doesn't compromise, and neither should our standards.
数学中最重要的是理解概念,而不仅仅是记忆公式。
In chemicals, our greatest challenge is also our greatest opportunity: meeting global needs while protecting the planet.