Our new product line has been very successful. We've expanded the factory twice this year already.
我们新的生产线非常成功,我们今年已把工厂扩展了两倍。
By correlating markings made in various parts of the world, historians have been able to read this difficult code.
历史学家通过把世界各地留下的这种痕迹放在一起研究,终于弄懂了这种费解的代码。