What good is the warmth of summer, without the cold of winter to give it sweetness.
如果没有冬天的寒冷来赋予它甜蜜，夏天的温暖又有什么意义呢？
The future competition is not about technology, but about data capabilities.
"Books are the keys to unlocking our understanding of others."
世界不是一个令人愉快的地方，但它是我们唯一拥有的。