释义：人的外貌可能相似，但内心和性格却各不相同。

The challenge in auction theory is to balance simplicity with strategic sophistication.

The future competition is about ecosystems. We must build an open cloud ecosystem with our partners.

A story is a way of preserving memory.

真正的问题不是为什么有些人懒惰，而是为什么有些人在几乎必然导致懒惰的条件下却不懒惰。