任何时候如果股票估值是基于未经证实的收入模式，你一定要睁大双眼。
Any time that valuations are being driven by a revenue model that has yet to be proven, you need to keep both eyes open.
睁大双眼，多问问题，即时问题显得很蠢，或是你早已知道答案。
Keep your eyes open and ask questions, even if they se stupid or you already know the answers.
你一定还在睁大双眼，警惕着邪火出现的征象。
You must also face up to guard against the signs of the Xiehuo there.
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