这位特斯拉老板曾下重注，赌在竞争对手之前建造电动汽车工厂将带来利润。
The Tesla boss took a massive gamble that building EV factories ahead of rivals would generate profit.
如今，他正考虑借款400亿美元，从英伟达购买芯片用于数据中心。如果一切顺利，回报期不到一年。但问题在于，竞争可能会迅速侵蚀回报。
Now he is mulling borrowing $40 bln to buy chips from Nvidia for data centers. If things go right, payback is less than a year. Snag is, competition may erode returns quickly.