以过去一年的累计回报来看，做骨料和水泥的Vulcan Materials Company股价上涨约19.5%（含股息因素），Martin Marietta Materials上涨在28%左右。从更长周期来看（3到5年），两家公司阶段股价约40%到60%。
Ultimately the problem is that if we try to treat quantum gravity as a fluctuating quantum field in this most straightforward way, then this approach does not work.
。业内人士推荐吃瓜网作为进阶阅读
LLMs as Translators, Not Designers
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