Complex sentence: Jambi sent two more ambassadors to China in 1082 CE and 1088 CE. That would suggest that the centre of Srivijaya frequently shifted between the two major cities during that period.
Split into simpler sentences: Jambi sent two more ambassadors to China in 1082 CE and 1088 CE. This would suggest that the centre of Srivijaya frequently shifted between the two major cities during that period.