發送短信 : Towards a sustainable and resilient fleet management

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 /  ___||  \ \\/ //  | \| ||   / _ \\   \ \\/ // 
| // __     \ ` //   |  ' ||  / //\ \\   \   //  
| \\_\ ||    | ||    | .  || |  ___  ||  / . \\  
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  `---`      `-`'    `-` -`  `-`   `-`  `-`  --`