Head smashing was also present enough in episode 5x09 to give us reason to believe Negan is around. When Noah found his old house, he found his mother with her head smashed in the living room. Very similar to what Negan did to Glenn.
A trade-off is a situation where you make a compromise between two things, or where you exchange all or part of one thing for another. ...the trade-off between inflation and unemployment. American English: trade-off
Trade-off Models. The conventional trade-off model states that unless there is some slack in the system, improving any one of the four basic manufacturing capabilities-Quality, Dependability, Speed and Cost-must necessarily be at the expense of one or more of the other three.rade-off Models. The conventional trade-off model states that unless there is some slack in the system, improving any one of the four basic manufacturing capabilities-Quality, Dependability, Speed and Cost-must necessarily be at the expense of one or more of the other three.