• It was an experiment to see if anyone could build a ship and operate it successfully as a business.

    试验确定是否可以建造成功地进行商业运行的蒸汽船。

    youdao

  • It was an experiment to see if anyone could build a ship and operate it successfully as a business.

    试验确定是否可以建造成功地进行商业运行的蒸汽船。

    youdao

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