Chrysler, for example, considered engines an expensive commodity and outsourced them to Mitsubishi and Hyundai.

例如，克莱斯勒认为发动机是一种昂贵的商品，并将其外包给三菱和现代汽车。

From the days of Tubal Cain the iron worker had known that heat would accomplish this purification; but heat, up to almost 1865, was an exceedingly expensive commodity.

从 Tubal Cain 的时代起，钢铁工人就知道加热可以完成这种净化；但是直到 1865 年左右，热力还是一种极其昂贵的商品。