框架的强大并非源于一个广泛的代码库，而是源于其自身的简单，以及其普遍适用性和职责在体系结构上的良好分布。
The framework's power comes not from an extensive library of code but from its simplicity, combined with its generality and well-architected distribution of responsibilities.
上图是一只南非鼠耳蝠，是一种在相对普遍的热带稀树草原物种，广泛分布于非洲。
This is Myotis tricolor, a relatively common savanna species that is widespread across Africa.
花色素是一类分布十分广泛的植物色素，在中草药材中也普遍存在。
Anthocyanidin is a type of the plant pigments distributed very extensively, in traditional Chinese herbal products as well.
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