Once back on the ocean, ships could switch back to using high-sulphur fuel, which is much cheaper.

一旦进入大洋，船舶就可以重新使用价格远比低硫燃油便宜的高硫燃油。

youdao

Once back on the ocean, ships could switch back to using high-sulphur fuel, which is much cheaper.

一旦进入大洋，船舶就可以重新使用价格远比低硫燃油便宜的高硫燃油。

youdao