既然overall和as a whole放在一起比较，那就把重点放在overall作为副词的用法上。overall adv (1)全部地，总共
The fish measures 1.7 meters overall.那条鱼全长为1.7米。
(2)(句子副词）一般地，总体上
Overall, prices are still rising. 总体上来说，价格仍在上涨。as a whole 整个来看（用于表示所有部分都已经考虑）
This rule does not only apply to seniors, but to the
