He told the young mother to put the money in the bag hanging around his neck and take out her change.
他让年轻的母亲把钱放在挂在他脖子上的袋子里，并拿走找零。
2
Stand side-on to a bench with your closest hand and knee on the bench, back parallel to the floor (neck in line) and a dumbbell in your other hand, arm hanging straight down.