When you have more questions than answers about a potential reusable asset - resist the urge to generalize, add layers of abstraction or product variability.

当你对潜在可重用资产的疑问多于答案时，不要急着概括、增加抽象层次或产品差异性。

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Because there is tremendous variability in manufacturing and quality control standards from company to company, choosing an effective product can be challenging.

CNN: How can I pick the healthiest brand of red yeast rice?