1.the number of ...的数量
例句:The difficulty that faces us is the number of those in need.
我们面临的困难是需要帮助的人数太多
2.correlated to 相互关联
例句:Intelligence is often correlated to memory .
理解力经常是和记忆力相关联的
3.end up 结束;死亡;告终
例句:If you continue to steal you will end up in prison .
你要是继续行窃终归得进监狱
。4.based on 以...为基础;基于
例句:Scientific theories must be based on facts.
科学理论必须以事实为根据
。