It took Elon Musk's Tesla 17 years before it finally turned a sustained profit making cars.

但从未制造过汽车。 埃隆·马斯克（Elon Musk）的特斯拉花了17年的时间才最终成为持续盈利的汽车。

Well, a joint venture means preferred treatment for the investors. A joint venture pays less income tax or even no income tax at all under certain conditions in the first five profit making years.

搞合资企业，投资者可以享受到优惠的待遇, 合资企业头5个获利年度可以省缴所得税，在一些情况下，甚至完全不缴所得税。