分散的做法是選對立的標的,不是同一類的
所有跟帖:
• 比如,我有女大對吧,我還有醫藥股做保守安保 -cnrhm2017- ♂ (0 bytes) () 02/14/2024 postreply 14:44:32
• 比如,我有女大對吧,我還有醫藥股做保守安保 -cnrhm2017- ♂ (0 bytes) () 02/14/2024 postreply 14:44:32
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