@PaperBagInvest Prototypes are easy, production is hard.
Making an electric car was not the hard part of Tesla – dozens of companies have done that.
@纸袋很容易，生产很困难。
制造电动汽车并不是特斯拉的难事——几十家公司已经做到了这一点。
@PaperBagInvest Prototypes are easy, production is hard.
Making an electric car was not the hard part of Tesla – dozens of companies have done that.
@纸袋很容易，生产很困难。
制造电动汽车并不是特斯拉的难事——几十家公司已经做到了这一点。