on the whole 和as a whole这2个短语的区别.如何快速分辨用哪一个?

on the whole
总的来说,总体来说,总的看来,大体上,大体上看
On the whole,I'm in favour of the proposal.
总的说来,我赞成这个提议.
The two buildings are similar on the whole.
从整体来看,这两幢楼是相似的.
as a whole
作为一个整体,整个看来,整个来说,总体上,通盘
This scandal will reflect badly on the Party as a whole.
这件丑闻可以说明这个党在整体上不健康.
The population as a whole is/are in favour of the reform.
全体人民普遍拥护改革.