It is not until this cost ratio becomes much less, which is not likely to occur before the turn of the century, that submarine cargo ships can be employed economically in maritime trade.
Ayizokwenzeka de ulinganiselo lwexabiso lube luncinci, engekhe yenzeke phambi kokijika okanye kokuphela kwenkulungwane, kukuba iinkwili zeenqanawa zomthwalo zingasetyenziswa qoqoshayo kurhwebo lwaselwandle.