Yes, our market analysis tells us our prime user will be between 40 and 60.
好的,我们的市场分析告诉我们,我们产品主要的使用者年龄将在40至60岁。
After switching on powerful arc lights, they saw great stalagmites -- some of them over forty feet high -- rising up like tree-trunks to meet the stalactites suspended from the roof.