In a pitch to private investors, Elon Musk once predicted that one of his companies would quintuple its revenue to more than $26 billion and nearly quintuple its customer base by 2028. 在一次面向私人投资者的推介中，埃隆·马斯克曾预言，他旗下的一家公司到2028年营收将增至五倍、超过260亿美元，用户群也将接近增至五倍。 That…