妈妈必须同时喂养孩子的身体和精神，且精神上的需求更重于身体的需要。

DNA的结构是一个需要解决的谜题。

We are all products of deep time.

In preparing for battle I have always found that plans are useless， but planning is indispensable.

Competitive strategy is about being different. It means deliberately choosing a different set of activities to deliver a unique mix of value.

每一个故事都是一次进入未知的旅程。