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免费的午餐是可能存在的,但是,这样的机会很少。而且,其存在是暂时性的,而不是永久性的。即使存在,也只能是极少数聪明投资者才能发现并利用的机会。
Free lunch is possible, but there are very few opportunities. Moreover, its existence is temporary rather than permanent. Even if there is, it is only an opportunity that a handful of smart investors can find and exploit.