GbEng
他的严重的错误导致了重大的损失。 His costly mistake resulted in severe loss.
这次新发现的石油对这个地区的经济有着重大的意义。 This new discovery of oil is of great significance to this area's economy.
印刷术的发明在社会上引起了重大的变化. The invention of printing caused important changes in society.