"The best stories are those that challenge us to see the world differently."
解释:影子的弯曲与正直是随身体而变化的,根源不在影子自身;自己的屈曲与伸直是随外物而变化的,而不在于个人的主观意志。这就是保持谦退才能使自己处世为先的道理。
The key to performance is to keep the hot data in memory.