如何准确计算下期跨度简介：The first place to be built was the space port. Jupiter was already huge, so Qin Fen was not afraid of wasting space. He built the entire space port to be as big as a speeding car, which could dock many spaceships at the same time.
The first place to be built was the space port. Jupiter was already huge, so Qin Fen was not afraid of wasting space. He built the entire space port to be as big as a speeding car, which could dock many spaceships at the same time.
