You should learn from your competitor, but never copy. Copy and you die.
幸福的准则:有事做,有人爱,有所期待。
文学的真正价值在于其揭示人类灵魂的力量。
可持续性不仅是一种趋势,更是一种责任。
The idea of inflation is that the universe underwent a period of extremely rapid expansion in its earliest moments.