wholesale
adjective [only before noun]
1. connected with goods that are bought and sold in large quantities, especially so they can be sold again to make a profit: wholesale goods / prices
Compare: RETAIL
2. (especially of sth bad) happening or done to a very large number of people or things: the wholesale slaughter of innocent people
wholesale adverb: We buy the building materials wholesale. ◆ These young people die wholesale from heroin overdoses.
第壹個意思是:批發,retail意為“零售”
第二個意思是:大量的,大規模的(常作貶義)
本句中取第二個意思;
shift是名詞,意為“轉移”of後面的是定語,修飾shift, “。。。。。的轉移”