不应该呀？我说“tracking”是指当前的risk factor，她和QQQ几乎差不多。

来源: 三心三意于 2025-04-25 14:23:38 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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不应该呀？我说“tracking”是指当前的risk factor， 她和QQQ几乎差不多。