發送短信 : Building an index-tracking portfolio.

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| \  / ||  |  ___||   ____      / _ \\    ____    
|  \/  ||  | ||__    |    \\   | / \ ||  |    \\  
| .  . ||  | ||__    | [] ||   | \_/ ||  | [] ||  
|_|\/|_||  |_____||  |  __//    \___//   |  __//  
`-`  `-`   `-----`   |_|`-`     `---`    |_|`-`   
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