his last ocean journey was more than half a century earlier than Columbus' first journey to America
问题描述：
his last ocean journey was more than half a century earlier than Columbus' first journey to America
这句话为什么要有“more than”
“his last ocean journey was half a century earlier than Columbus' first journey to America”这样对吗？
答
表示多于 大于的意思
整句话的意思是 他上次的航海历程比哥伦布第一次去美洲的航海历程要早50年还多.
MORE THAN 在这里做状语