Capitalism is a terrifying system; it transforms all things historically and contemporaneously legitimate into commodities from a capitalistic perspective.
Under the play of capitalism, everything has a price. As long as the price is right, even a soul can be sold.
"You'd better be offering a good buck for it"—So, what exactly did Cheng Daqi mean by a "good buck"?
There were no metaphors!
When Cheng Daqi made this statement, he had no expectation of a specific sum.
He wanted to test the limits of Gru's willingness to pay. If possible, he intended to squeeze every last drop of oil out of Gru!
"A good buck? Are you asking for Dollars, or do you want me to do something else for you?"
Top-level corrupt cops are clever; they've never misread Cheng Daqi. Cheng Daqi could be shameless, he could be ruthless.
Most terrifying of all, Cheng Daqi could tear into him like a wolf, shred by shred, devouring him clean.