A building is not just a structure, it is a living organism.
物资用完了才知道不足,是因为不懂得计量;事情做完了才知道有余,是因为不懂得调节。
Abstraction is the key to mathematics.
Every day is a blessing, even the bad ones.
The international system is inherently competitive, and states are constantly trying to outmaneuver each other.