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 | |/ // | || | || | \  / ||  /_   _//  /_   _// 
 | ' //  | || | || |  \/  ||   -| ||-   `-| |,-  
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 |_|\_\\  \____//  |_|\/|_||  /_____//    |_||   
 `-` --`   `---`   `-`  `-`   `-----`     `-`'

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發送短信 : Advance selling in the presence of speculators and forward-looking consumers