@WholeMarsBlog Fusion would be expensive energy, given difficulty of obtaining and transporting source fuel, plus maintaining the reactor.
Far better to use the Sun – thermonuclear reactor with no need to refuel or service.
@WholeMarsBlog 聚变将是昂贵的能源，因为难以获得和运输源燃料，再加上维护反应堆。
使用太阳热核反应堆要好得多，无需加油或维修。