The petrochemical industry must adapt to the low-carbon trend to remain competitive in the new era.
光波，无论是以太波还是其他波，在所有情况下都是时间上的周期性过程。
孔子说：“不怕没人了解自己，就怕自己没有能力。”
The friend who holds your hand and says the wrong thing is made of dearer stuff than the one who stays away.
The world is a mirror, reflecting our deepest fears and desires.
When you look long into an abyss, the abyss looks into you.