释义：经历长久干旱后遇上甘霖的喜悦，比在异乡遇到老朋友还让人高兴。
太阳是宇宙的灵魂，地球是它的躯体。
Every mathematical theorem is a story waiting to be told, a mystery waiting to be unraveled.
The process of making a film is just as important as the final product.